U1
U1T1SA
1 You have just come back from you hometown.
你刚从你的城镇回来?/p>
现在完成?/p>
?/p>
之前已经发生或完成的动作对现在造成的影
响或结果。结构:
助动?/p>
have/has +
动词的过去分?/p>
I have finished that work.
我已经完成了那项工作?/p>
She has bought a new bike.
她买了一辆新自行车?/p>
2 have/has been to...
去过……?/p>
e.g. He has been to Hubei.
他去过湖北?/p>
(人已不在湖北,?/p>
示有此经?/p>
,
曾经去过那里?/p>
?/p>
I have been to Beijing several times.
我去过北京几次?/p>
have/has gone to...
已经去了?/p>
它强调主语此时不在说话地点?/p>
e.g. She has gone to Shang-hai.
她已经去了上海?/p>
3 so...that...
如此……以至于……,引导结果状语从句?/p>
e.g.
He ran so quickly that we couldn
?/p>
t keep up with him.
?/p>
他跑
的太快以至于我们都赶不上?/p>
so...that...
引导的从句有时可?/p>
?/p>
too...to...
句型互换?/p>
e.g. He is so young that he can
?/p>
t go to
school. = He is too young to go to school.
他太小了,还不能