6,现在完成时的用法
(1)表示刚刚完成的动作,常与just 连用. 表示刚刚完成的动作,常与just 连用. (2)表示过去发生而持续到现在的动作或状态,甚至延续 表示过去发生而持续到现在的动作或状态, 到将来.常与since, 连用, since不能与 到将来.常与since, for 连用,但for, since不能与 终止性的动词连用. 终止性的动词连用. (3)表示过去的动作对现在造成的影响或结果. 表示过去的动作对现在造成的影响或结果. In the past two years, the students in the mountainous areas have made great progress in English. He has visited 14 foreign countries so far. They have lived in Beijing since 1995. I have learned English for ten years. This is my first time that I have visited China. That is the only book that he has written. seen. This is the most interesting film I have ever seen
8,现在完成时的用法
(1)由"have (has)+ been+现在分词"构成,表示现在以前 been+现在分词"构成, 现在分词 一直在进行的动作,强调动作的"未完成性" 一直在进行的动作,强调动作的"未完成性". (2)少数动词如 live, teach, work, study, wait, lie 等 表示可以长时间持续的动作,用完成时或完成进行时都可以, 表示可以长时间持续的动作,用完成时或完成进行时都可以, 意义差别不大. 意义差别不大. Now that she is out of a job, Lucy has been Considering going back to school, but she hasn't decided yet. I have studied ( have been studying ) English for a long time.
9,将来进行时
主要表示将来某时刻正在进行的动作. 主要表示将来某时刻正在进行的动作.在口语中常用来 表示预计即将发生或势必要发生的动作. 表示预计即将发生或势必要发生的动作.这一时态和一般将 来时只有细微的差别,有时在口气上则没有差别,可以互换. 来时只有细微的差别,有时在口气上则没有差别,可以互换.
I will come (will be coming) here on time next Mondays. Mondays由 shall ( will ) have 加过去分词构成,主要表示将来 某时段已发生的事情,这个时态有时用来表示一种推测. 某时段已发生的事情,这个时态有时用来表示一种推测.如: We worked together for a year. He won't have (大概不会忘记 大概不会忘记) Forgotten me. (大概不会忘记) The mayor of Beijing says that all construction Work for the conference will have been completed By 2010. He will have gone to Shanghai when you arrive Tomorrow afternoon.
(2)如果从句中的谓语动词所表示的动作发生在主句谓语 ) 动词所表示的动作之前,从句须用过去完成时. 动词所表示的动作之前,从句须用过去完成时.如: I didn't know that she had been to London twice. (3)如果从句中的谓语动词所表示的动作发生在主句谓语 ) 动词所表示的动作之后,从句须用过去将来时. 动词所表示的动作之后,从句须用过去将来时.如: They didn't know when they would have a rest . (4)如果从句中说明的是一种普遍真理现象,虽然主句的 )如果从句中说明的是一种普遍真理现象, 谓语动词为过去时态,从句中仍要用一般现在时. 谓语动词为过去时态,从句中仍要用一般现在时.如: When I was a little child, my father told me that the earth is round. (5)如果从句中有表示具体过去时间的状语,虽然其谓语 )如果从句中有表示具体过去时间的状语, 动词所表示的动作发生在主句谓语动词所表示的动作之前, 动词所表示的动作发生在主句谓语动词所表示的动作之前,从 句仍用一般过去时;但如果该状语表示的时间不具体, 句仍用一般过去时;但如果该状语表示的时间不具体,则从句 仍要用过去完成时. 仍要用过去完成时.如: Tome said he was born in 1975.
2,一般过去时的用法
(1)表示过去的动作或状态. 表示过去的动作或状态. (2)叙述过去连续发生的事情. 叙述过去连续发生的事情. (3)表示过去一段时间内经常发生的动作. 表示过去一段时间内经常发生的动作. He used to smoke a lot. He has got used to getting up early. He promised to buy me a computer if he got a raise. I never thought you were going to bring me a gift.
4,现在进行时的用法
(1)表示说话的时候正在进行的动作. 表示说话的时候正在进行的动作. (2)表示先阶段正在进行的动作.(说话时动作不一定进行) 表示先阶段正在进行的动作.(说话时动作不一定进行) .(说话时动作不一定进行 We are having English class. The house is being built these days. The little boy is always making trouble. Don't wake him up if he is still sleeping at 7 Tomorrow morning. Florida. I am taking my mom. Look out when you are crossing the street. I've won a holiday for two days to Florida. I am taking my mom.
1,一般现在时的用法
(1)表示现在的习惯,经常发生的动作或存在的状态. 表示现在的习惯,经常发生的动作或存在的状态. (2)表示助于的特征,性格和能力. 表示助于的特征,性格和能力. 助于的特征 (3)表示客观事实或真理. 表示客观事实或真理. (4)表示按照计划安排好的将来行为.(只限于是go, come, 表示按照计划安排好的将来行为.(只限于是go, .(只限于是 be等开始或移动意义的词 等开始或移动意义的词) leave, start, stop, be等开始或移动意义的词)如: She has a brother who lives in New York. The earth goes around the sun. Guangzhou is situated in the south of China. I learned that the earth goes around the sun when I was in primary school. So long as he works hard, I don't mind when he finishes the experiment.
3,一般将来时的用法
(1)表示将来的动作或状态. 表示将来的动作或状态. (2)表示将来的经常性动作. 表示将来的经常性动作.
We will begin our class as soon as the teacher comes. I am leaving for Beijing tomorrow. Use your head and you will find a way. He is going to visit his aunt the moment he arrives. I am about to leave when the telephone rings. The medicine is to be taken three times a day.
5,过去进行时的用法
(1)过去某一时刻或某一段时间内正在进行的动作 1 go等词 (2)表示移动的动词:come, start, stay, leave, go等词 表示移动的动词: 的过去进行时可以表示过去的将来要发生的动作. 的过去进行时可以表示过去的将来要发生的动作. (3)was going to do 可以表示在过去某一时间之后 发生的动作 The boy was doing his homework when his father came back from work. He was taking a walk leisurely by the lake when he heard some one shouted for help. What were you doing at nine last night? I first met Lisa 3 years ago. She was working at a radio shop at the time. --Hey, --Hey, look. Where are you going! --Oh, --Oh, I am terribly sorry. I wasn't noticing.