a mustn't have

b couldn't have

c shouldn't have

2 Complete the sentences with up to five words, including the words in brackets.

(Hoàn thành câu với tối đa năm từ, bao gồm cả những từ trong ngoặc.)

1 Someone __________________ (might / told /me) there was a hole in my jumper!

2 Sandra __________________ (supposed / be / here) by now. I wonder where she is.

3 You __________________ (ought / have / gone) swimming if you have a cold.

4 Wendy didn't look very happy when I saw her; she __________________ (could / worried / about) going to the dentist.

5 The fridge is empty; Mum __________________ (can't / been / the) shops yet.

6 Last night __________________ (must / been / cold) – the lake's frozen.

3 Complete the email with the correct form of the verbs below.

(Hoàn thành email với dạng đúng của động từ bên dưới.)

To: artur@email.com

Hi Artur

Well, we're still enjoying our trip to England. We're staying in a great city-but someone ¹ ____ told us that there was going to be a festival here yesterday! Perhaps we ² ____realised something was happening, because a lot of the hotels were full. The festival was great! According to the local paper, this ³ ____been the biggest crowd they'd ever had. The streets were packed. I reckon there ⁴ ____been about 30,000 people there. There was a fancy dress parade too; if we'd known, we ⁵ ____got dressed up. Mind you, some of the people ⁶ ____been very comfortable  as some of the costumes looked really hot! I bought you a souvenir. I'll see you in a couple of weeks.

Lena

4 Complete the sentences with needn't have or didn't need to and the verb in brackets. In which sentences are both modals possible?

(Hoàn thành các câu với needn't have hoặc didn’t need to và động từ trong ngoặc. Trong những câu nào có thể sử dụng cả hai phương thức?)

1 I managed to mend my sunglasses so luckily I ______________ (get) a new pair.

2 It was sunny so we ______________ (take) an umbrella.

3 We ______________ (catch) a cab as my mum gave us a lift.

4 Alison ______________ (buy) a ticket - I had a spare one.

5 I ______________ (worry) about the test - when I saw the paper I realised I knew all the answers.

5 Complete the sentences with the words below.

(Hoàn thành câu với các từ dưới đây.)

1 You ________________ have reminded me to do the homework-I did it last night.

2 Tanya ________________ be here half an hour ago. Where is she?

3 We ________________ have told Jenny about Luca's party. He didn't want her to know about it.

4 Someone ________________ have warned me that the band's new album was so awful!

5 They knew the way so they ________________ asked for directions.

6 Rewrite the sentences using the words in brackets.

(Viết lại câu sử dụng từ trong ngoặc.)

1 Lunch was provided so it wasn't necessary for them to take sandwiches. (need)

__________________________________________________

2 She studied hard so she probably passed the exam. (should)

__________________________________________________

3 I think he's foreign so it's possible he didn't understand you. (might)

__________________________________________________

4 John isn't in Rome-I saw him earlier. (can't)

__________________________________________________

5 It would have been better if you'd listened to my advice. (ought)

__________________________________________________

6 Why didn't you introduce me to your friends? (might)

__________________________________________________