Infinitives (to-infinitives/infinitives without to)

1. Put the verb in brackets into to-infinitives or infinitives without to.

(Đặt động từ trong ngoặc ở dạng nguyên mẫu to hoặc dạng nguyên thể không có to.)

1. I love travelling, so I want _______ (be) a tour guide.

2. I need _______ (check) my passport. I think I need a new one.

3. We went to the supermarket _______ (buy) snacks for the journey.

4. Are you sure your parents let you _______ (go) camping in the forest?

5. It is comfortable _______ (stay) in a hotel with good facilities.

6. George promised _______ (call) me when he arrived in Hồ Chí Minh City.

7. You should _______ (book) a package holiday because it is the cheapest option.

8. You had better _______ (look) for accommodation online because you can _______ (find) some good deals. 

2. Put the verbs in brackets into to-infinitives or infinitives without to.

(Chia động từ trong ngoặc thành động từ nguyên thể có to hoặc động từ nguyên thể không có to.)

Hello from Palau! My family and I decided (1) _______ (come) here because we love beach holidays. Palau is in the Pacific Ocean and it has about 340 islands, so there are a lot of beaches. Yesterday, we agreed (2) _______ (visit) Eil Malk, an island with a very strange lake on it. The water in the lake is full of salt, like the sea, but that’s not the strangest thing about it. Eil Malk is home to five million jellyfish! They aren’t dangerous, so people can (3) _______ (swim) with them. You have to (4) _______ (wash) before you get into the lake because you nustn’t (5) _______ (get) any sunscreen or make-up in the water. It’s very bad for the jellyfish. It was probably amazing (6) _______ (be) so close to them, but I refused (7) _______ (go) into the water. I hate jellyfish! What about you? Would you like (8) _______ (swim) with them?

3. Use the prompts to make complete sentences.

(Sử dụng gợi ý để viết thành câu hoàn chỉnh.)

1. Simon / stop the car / now / look at the view

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2. We / agree / visit the Grand Canyon / our holiday

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3. Sam / would love / open a guesthouse / a Greek Island

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4. You / shouldn’t / go / on a camping holiday / windy days

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5. My parents / make / me / pack my suitcase / the trip / Sapa

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-ing forms

4. Put the verbs in brackets into to-infinitives, infinitives without to or -ing forms.

(Chia động từ trong ngoặc ở dạng nguyên thể có to, động từ nguyên thể không có dạng to hoặc -ing.)

1. _______ (cycle) is the best way to explore the forest.

2. You had better _______ (visit) the museum instead of the zoo today because it looks like rain.

3. Nora would love _______ (see) the Northern Lights, but a trip to the Arctic Circle is expensive.

4. It is going to be sunny tomorrow, so let’s go _______ (hike) in the forest.

5. They don’t mind _______ (live) near the volcano, but I think it is scary.

6. His friend suggested _______ (drive) to Cambodia from Việt Nam.

7. I spent two hours _______ (pack) the luggage for my holiday.

8. I don’t think mike wants to move to Iceland. He can’t stand _______ (be) cold. 

5. Put the verbs in brackets into to-infinitives, infinitives without to or -ing forms.

(Chia động từ trong ngoặc ở dạng nguyên thể có to, động từ nguyên thể không có dạng to hoặc -ing.)

A: I want (1) _______ (go) to another country for my summer holiday this year. Do you fancy (2) _______ (come) with me?

B: I would love (3) _______ (join) you, but I usually avoid (4) _______ (fly) because it makes me (5) _______ (feel) stressed.

A: Would you consider (6) _______ (travel) by train? We can (7) _______ (book) tickets from London to France.

B: France sounds great! We can go (8) _______ (sightsee) in Paris and hen travel to the South of France.

A: Perfect!

6. Put the verbs in brackets into to-infinitives, infinitives without to or -ing forms.

(Chia động từ trong ngoặc ở dạng nguyên thể có to, dạng nguyên thể không có dạng to hoặc -ing.)

Are you planning (1) _______ (travel) abroad this year? I suggest (2) _______ (visit) the Faroe Islands, a group of islands in the North Atlantic Ocean. These islands are a great destination in summer. They are so far north that it doesn’t get dark at all in June and July. The long days mean you can (3) _______ (spend) plenty of time (4) _______ (enjoy) the beauty of the Faroe Islands. Visitors usually go (5) _______ (hike) or ride horses across the islands. They also enjoy (6) _______ (go) on a boat trip around the coast.

Some people prefer a winter holiday in the Faroe Islands. Why? Because it is impossible (7) _______ (see) the Northern Lights in the bright summer nights. However, it isn’t difficult (8) _______ (spot) them in winter, as long as there aren’t any clouds in the sky. Would you like (9) _______ (expensive) this amazing natural light show? Then you had better (10) _______ (book) a tip to the Faore Islands between November and February - it’s the best time to see it. 

7. Rewrite the sentences as in the example.

(Viết lại câu như ví dụ.)

1. It’s expensive to fly first class.

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2. It’s difficult to hike up the mountain.

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3. It’s boring to stay by the pool all day.

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4. It’s relaxing to spend time on the beach with my family.

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5. It’s exciting to go on an adventure holiday in the jungle.

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6. It’s amazing to see famous tourist attractions.

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Wh-question words before to-infinitives

8. Fill in each gap with what, who, how, where or when.

(Điền vào mỗi chỗ trống what, who, how, where hoặc when.)

1. I don’t know _______ to contact about my lost suitcase.

2. Have you got any ides about _______ to stay in Barbados?

3. Oliver’s uncle taught him _______ to go scuba diving.

4. I’m not sure _______ to pack for my holiday. Should I bring warm clothes?

5. Can you tell me _______ to show my ticket to?

6. I don’t know _______ to print my boarding pass. Can you help me?

7. Did you decide _______ to go on holiday this year? Would you like to come back to Việt Nam?

8. Can I ask you _______ to wear on the safari tomorrow?

9. Rewrite the sentences using Wh-question words + to-infinitives.

(Viết lại câu sử dụng từ hỏi Wh + to-infinitives.)

1. Josie isn’t sure what she should do first in Hà Nội.

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2. Can you tell me who I should call about canceling the trip?

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3. Matt doesn’t know when he should leave for the airport.

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4. Trung is asking me what he can do during his holiday in London.

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5. My friends want to know how they can get to Rainbow Mountain.

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6. The tourist asked me how she should travel to northern Việt Nam.

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7. Beth is wondering who she should invite to her birthday party.

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8. We don’t know where we should spend the last day of our holiday.

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too - enough

10. Fill in each gap with too or enough.

(Điền quá hoặc đủ vào mỗi chỗ trống too or enough.)

1. There wasn’t _______ snow to go skiing last weekend.

2. The mountain is _______ high to climb in a day.

3. Excuse me. Your bag is _______ heavy to take on the plane.

4. The hotel was cheap _______ for us to book for two weeks.

5. I’m sorry, but these facilities aren’t clean _______ for us to use.

6. The beds at the hotel weren’t comfortable _______ to sleep in. I was awake all night.

7. The national park was interesting _______ to spend all day there.

8. I’m afraid you’re _______ young to go on the cave diving tour. 

11. Rewrite the sentences without changing their meanings.

(Viết lại câu sao cho nghĩa không thay đổi.)

1. Travelling abroad isn’t cheap enough for them to do.

Travelling abroad is ____________________________________________________.

2. It’s not safe enough to explore the jungle alone.

It’s  ________________________________________________________________.

3. The tour is too boring to entertain the children.

The tour isn’t  ________________________________________________________.

4. The guesthouse is too small for all of us to sleep in.

The guesthouse isn’t ____________________________________________________.

5. It’s too late to have dinner at the restaurant.

It isn’t  _____________________________________________________________.

6. The village isn’t close enough to walk there.

The village is  ________________________________________________________.

7. The weather is too bad to go hiking today.

The weather isn’t  _____________________________________________________.

8. The mountaintop isn’t high enough to have snow on.

The mountaintop is  ___________________________________________________.