1. Study the examples and identify the verb forms in bold.

(Nghiên cứu các ví dụ và xác định các dạng động từ in đậm.)

• She agreed to come to join us in the clean-up day.

(Cô ấy đồng ý đến tham gia cùng chúng tôi trong ngày hội dọn dẹp.)

• Mum made us take the magazines to the recycling centre.

(Mẹ dặn chúng tôi mang tạp chí đến trung tâm tái chế.)

• I can’t stand people throwing litter on the streets.

(Tôi không thể chịu được mọi người vứt rác bừa bãi trên đường phố.)

2. Put the verbs under the correct headings.

(Đặt các động từ dưới các đề mục đúng.)

• plan               • can’t help      • let      • hate   • like

• would like     • prefer            • want • agree • need

• would prefer • would rather • had better

• don’t mind    • deny              • finish • can’t stand

• enjoy             • promise         • expect

3. Choose the correct verb form.

(Chọn dạng động từ đúng.)

1. Would you rather go/going swimming instead of taking part in the park clean-up today?

2. I need you to take/taking these boxes to the recycling centre.

3. He denied to drop/dropping litter in the school playground, and I believe him.

4. I like work/working at the local animal centre.

5. You’d better ask/to ask for permission to feed the animals.

6. We agreed participate/to participate in the clean-up day.

7. Christine enjoys using/to use public transport.

8. She wants try/to try organic food.

4. Put the verbs in brackets into the correct to-infinitive, bare infinitive or -ing form.

(Đặt các động từ trong ngoặc ở dạng chính xác của to-V, nguyên thể hoặc -ing.)

1. A: Joe, let me _______________________ (help) you plant the flowers!

    B: Cool! Don’t you mind _______________________ (cut) the grass?

2. A: Would you prefer _____________________ (walk) or _____________________ (take) the train to work?

    B: I prefer ______________________ (cycle) to work.

3. A: Do you want _______________________ (come) to our school’s environment day event?

    B: I can’t. I promised ___________________________ (take) my brother to football practice.

4. A: They agreed _______________________ (have) a greenhouse in our school.

    B: Yes! They expect it ___________________________ (be) ready by the end of next week.

5. Read the examples then put the verbs in brackets into the correct to-infinitive or -ing form. Explain the difference in meaning.

(Đọc các ví dụ sau đó đặt các động từ trong ngoặc ở dạng chính xác to V hoặc -ing. Giải thích sự khác biệt về nghĩa.)

1. Don’t forget _________________ (buy) eco-friendly toothpaste.

2. He’ll never forget _________________ (rescue) the baby turtles.

3. He stopped _________________ (ask) for directions to the park.

4. Stop _________________ (print) all your emails!

5. I’ll always remember _________________ (volunteer) with the charity in Africa.

6. Remember _________________ (tell) Jack about the clean-up day.

6. Read the sentences (1–3) and complete the rules (a–c) with the words in bold.

(Đọc các câu (1–3) và hoàn thành các nguyên tắc (a – c) với các từ in đậm.)

1. A vacuum cleaner is a machine which/that we use to vacuum the carpets.

(Máy hút bụi là một loại máy mà chúng ta sử dụng để hút bụi các tấm thảm.)

2. He’s the man whose sister eats organic food.

(Anh ấy là người có chị gái ăn thực phẩm hữu cơ.)

3. Sue is the girl who/that works at the local animal shelter.

(Sue là cô gái làm việc tại trại động vật địa phương.)

We use:

a. _____________________ to refer to people.

b. _____________________ to refer to things.

c. _____________________ to refer to possession.

7. Choose the correct option.

(Chọn phương án đúng.)

1. Kate is the woman whose/who is a member of a wildlife group.

2. John’s the boy who/whose dad cycles to work.

3. This is the greenhouse which/who they built last month.

4. These are the boots who/that we will wear during the clean-up day.

8. Fill in each gap with who, which, that or whose. Which clauses are defining (D)? Which are non-defining (ND)? Use commas where necessary.

(Điền vào mỗi chỗ trống với who, which, that hoặc whose. Mệnh đề nào xác định (D)? Mệnh đề nào không xác định (ND)? Sử dụng dấu phẩy nếu cần thiết.)

1. My car, which I bought last week, is eco-friendly. ND

2. The woman ____________ started the Environment Club is my geography teacher.

3. The bin ____________ is in our garden is for compost.

4. Cindy ____________ parents are environmentalists is studying Environmental Science.

5. This shirt ____________ is my favourite is organic cotton.

6. That’s the girl ____________ brother works at the animal shelter.

7. The man ____________ just entered the building is the owner of the greenhouse.

9. Complete the sentences using the words in bold.

(Hoàn thành các câu có sử dụng các từ in đậm.)

1. Pass me the leaflets. We printed them yesterday. (WHICH)

(Đưa cho tôi tờ rơi. Chúng tôi đã in chúng ngày hôm qua.)

-> Pass me the leaflets _______________________________ yesterday.

2. Linda usually organises the meeting. She’s on holiday this week. (WHO)

(Linda thường tổ chức cuộc họp. Cô ấy đang đi nghỉ tuần này.)

-> Linda, _______________________________, is on holiday this week.

3. This is Mr Jones. His wife works in the recycling centre. (WHOSE)

(Đây là ông Jones. Vợ ông ấy làm việc trong trung tâm tái chế.)

-> This is Mr Jones, _______________________________ the recycling centre.

4. Where is the environmental magazine? John brought it last Friday. (THAT)

(Tạp chí môi trường ở đâu? John đã mang nó vào thứ Sáu tuần trước.)

-> Where’s the _______________________________ last Friday?

Speaking

10. Complete the sentences so that they are true for you. Tell your partner.

(Hoàn thành các câu để chúng đúng với bạn. Kể nó với người bạn của bạn.)

1. I like people _________________________________________ .

2. This is my friend, _____________________________________ .

3. I would rather use public transport ________________________ .

4. I enjoy visiting places __________________________________ .

5. I’m looking for a person ________________________________ .