北师大版英语高三unit26emotions之一内容摘要：
first , the second, the third time +从句 • This is the first time I have eaten Korean food. • It is only the second time I have met Harry, but I feel as if we are already friends. Present perfect continuous • 现在完成进行时强调动作从过去开始 ,持续到现在 ,期间动作一直进行 ,因此多与 how long, for, since, a long time, all day, all week等连用 . • We have been driving for three hours. • I have been rushing around all day. • I am sorry, have you been waiting for a long time? • Exercise 1, 2 on page 36 Past perfect simple and continuous • 过去完成时用来表示一动作发生在另一过去动作之前 . • When I got home, someone had left a message on the answer phone. • It was obvious from the state of the lock that someone had tried to break in. • 因此 ,过去完成时常见于间接引语中 , 如 : • Smith told the police he had never met the witness before that evening. • I knew at once。阅读剩余 0%
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