27. I like basketball, but I prefer volleyball. (A)
28. We won the match because we had been practising the week before. (C)
29. Shirley didn't use to speak Russian before she met Ivan. (D)
30. I don't think Adam understood what the coach told us. (C)
31. Before the exam, I had studied everything — except the questions they asked! (A)
32. You looked worried. Are you thinking about what happened last night? (B)
33. When you rang, I was doing my Geography homework. (B)
34. Ivor hasn't been playing cricket for long, but he's already quite good at it. (B)
(...) - граматическая основа.
1. a) (He translates) texts every day. - Present simple. He-подлежащие, translates-сказуемое.
b) (He is translating) a text now. - Present continues. He-подлежащее, is translating-сказуемое.
c) Yesterday (he translated) a text. - Past simple. He-подлежащее, translated-сказуемое.
d) (He was translating) a text yesterday at 3 a.m. - Past continues. He-подлежащее, was translating-сказуемое.
e) (He has (already) translated) the text. - Past perfekt. He-подлежащее, has translated-cказуемое.
2. a) My (friend wrote) an article. - Past simple. Friend-подлежащее , wrote-сказуемое.
b) My (friend has written) the article. - present perfect. Friend-подлежащее, has written - сказуемое.
На остальное не успеваю ответить, простите.
flown
fly, flew, flown