Giúp với a.

heard, walked, opened, opened, saw, greeted, asked, in Here are the answers to Exercise I: a) - did not have - wanted - was - got - have - will spend - can - learn b) - would be - was - were conducted - were written - fell - became - is used - is referred to c) - had - had not seen - had moved - was coming - came - would get - live - was completed - wants - has - wants Here are the correct tenses of the verbs in brackets: a) Albert Maltz was a progressive American writer. He **was** born in 1908. He **wrote** his first play in 1943. It **was** against wars, so the American police **arrested** him and **put** him in prison in 1950. b) Hao **came** back a moment ago and **turned** the TV on very loudly, so I **told** her to turn it down. c) Last Friday **was** a holiday. It **was** Independence Day, so I **did not have** to go to class. I **slept** a little later than usual. Around 10, my friend, Larry **came** over to my apartment. We **packed** a picnic basket and then **took** the bus to Forest Park. We **spent** most of the day there. d) Mary and John are neighbors. They **have known** each other for several years. Mary **moved** into her house in 1980, and John **has lived** next door since he **came** to the area in 1985. e) John hasn't got a job. He **has been** unemployed for 6 months. He **studied** for a textile firm which **had** to close because it **did not have** enough orders. f) Dennis Heal is a politician. He **went** to Oxford University in 1950 and **became** a Member of Parliament for the Labour Party in 1957. He **has been** an MP since then. He **has written** three story books including his autobiography. He is married to the artist, Adna Heal, and they **have** two children. They **lived** in Oxford for 15 years, then **moved** to London in 1970. They now **live** in Cadogan Square in central London. g) Paul Carrack is a musician and a singer. He **has been** in the music business for over 20 years. He **started** playing professionally while he **was** still at school. He **has traveled** all over the world. He **had** his first record in 1974. So far he **has made** a lot of records. Young people in America and Britain **know** his name and they never **forget** his number one song "The Living Year". h) Dear Jill, Here I am in New York. I **have been** here for 2 weeks now and it **has been** very interesting. My friend, Nancy, whom I **met** in London in 192, **has lived** in New York for 3 years, so she **knows** all about it. Yesterday we **went** to China Town and **ate** hot dog there. We **will visit** the Statue of Liberty this Sunday. Love, Bob. i) My stay in England is coming to an end. In ten days' time I **will be** back to Italy. I can't hardly believe that I **have been** in Bristol for three months. The time **has gone** so quickly. Yesterday I **took** my final exams. As soon as I **get** the result, I **will let** you know. I'd really like to have a holiday when the course finishes, but I have to go back to Italy. If I **had** more time, I **would visit** Scotland. Unfortunately, I **haven't seen** much of Britain. I even **haven't been** to London yet. Here are the answers with the correct tenses of the verbs: a) Last night, I walked along the street when I realized that a man with a black beard, whom I had seen three times already that afternoon, was following me. I was very worried, and at last, I stopped and asked him why he had been following me. The man apologized and told me he had mistaken me for one of his friends. Correct verb forms: - walked (simple past) - realized (simple past) - had seen (past perfect) - was following (past continuous) - was (past continuous) - stopped (simple past) - had been following (past perfect continuous) - had mistaken (past perfect)