Tham khảo tài liệu 'grammar in use new part 47', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Additional exercises 6 I m sorry to your party last week. A couldn t come B couldn t have come C wasn t able to come 7 What do you think of my theory I m not sure. . A could be B must be C might be 8 I couldn t wait for you any longer. I. and so I went. A must go B must have gone C had to go 9 Do you know where Liz is No. 1 suppose . A should have gone B may have gone C could have gone 10 At first they didn t believe me when I told them what had happened but in the end that I was telling the truth. A was able to convince B managed to convince C could convince 11 I promised I d phone Gary this evening. I. A mustn t forget B needn t forget C don t have to forget 12 Why did you leave without me me. A must have waited B had to wait C should have waited 13 Lisa phoned me and together. A we have B we should have C to have 14 You look nice in that jacket but you hardly ever wear it. it more often. A You d better wear B You should wear C You ought to wear 15 Shall I buy a car What s your advice What. A will you do B would you do C shall you do 17 Make sentences from the words in brackets. 1 Don t phone them now. they might have lunch . 2 I ate too much. Now I feel sick. I shouldn t eat so much .I shouldn t have- eaten so much. 3 I wonder why Tom didn t phone me. he must forget 4 Why did you go home so early you needn t go home so early 5 You ve signed rhe contract it I can t change I now 6 What s Linda doing I m not sure. she may watch television 7 Laura was standing outside the cinema she must wait for somebody 8 He was in prison at the time that the crime was committed he couldn t do it 9 Why weren t you here earlier you ought be here earlier 10 Why didn t you ask me to help you I would help I you 11 I m surprised you weren t told that the road was dangerous you should warn I about it 12 Gary was in a strange mood yesterday he might not feel very well 312 Additional exercises 18 Complete B s sentences using can .
