“动词的完成时”.ppt

动词的完成时 动词的完成时 一、动词时态的概念 二、动词的完成时 1、三种完成时的结构形式 2、现在完成时的用法 3、现在完成时与一般过去时的区别 4、过去完成时的用法 5、将来完成时的用法 6、三种完成时之间的区别 三、习题 动词的时态（以动词make 为例） 动词完成时的结构形式 现在完成时的用法 现在完成时用法一： 描述过去发生、对现在还有影响的动作 1、I have lost my pen. 2、The train has left. 现在完成时的用法 现在完成时用法二： 描述到现在为止已完成的事情或持续到现在的事情 1、We have already visited the power station. 2、I have taught in this college for 16 years. 3、We have learned eight lessons. 4、He has been here since 1987. 5、They have planted 5,000 trees so far. 现在完成时与一般过去时的区别 过去完成时的用法 过去完成时的用法一： 描述过去某个时间或过去某个动作之前发生的 事情 1、We had learned five lessons by the end of last month. 2、She had gone home before I got to her office. 3、The train had left when I got to the station. 4、The engineer said that he had tested the machine. 过去完成时的用法 过去完成时的用法二： 动词expect, hope, think, want 等用过去完成 时，表示过去的愿望、预期或意图等没有实现。 1、They had wanted to help but couldn’t get there in time. 2、I had hoped that we would be able to leave tomorrow, but it’s begging to look difficult. 将来完成时的用法 描述到将来某个时间为止已经发生的事情。 1、She will have taught here for 30 years by the end of next year. 2、Professor Smith will have retired by the year 2020. 3、I will have finished the report in two days. 三种完成时的区别 （过去） （现在） （将来） 习题 1、We ____ (live) in Hunan from 1995 to 2001, but we ____________ (move) to Hainan now. 2、They __________ (not come) to our party yesterday, even though we ________ (send) them a special invitation. 3、Nobody ________ (see) him since last Sunday. He _____ (leave) the house in the middle of the night. 4、Her father ____ (die) in 1990. He _________ (be) ill since 1986. 5、By the end of this month, we surely _____________ (find) a satisfactory solution to the problem. Thank you! * * * * * * * * Would have been making would have made would be making Would make 过去将来 will/shall have been making will/shall have made will be