九年级英语第八单元知识点总结.doc

人教版九年级英语第八单元知识点总结

Unit 8 It must belong to Carla.

一.单词

whose truck picnic rabbit attend valuable pink anybody happening noise policeman wolf uneasy laboratory outdoors coat sleepy land alien run after suit express all the same time circle Britain mystery receive historian leader midsummer medical purpose prevent energy position burial honor ancestor victory enemy period hard-working

情态动词表推测：语气 +时态

(一) 情态动词表推测的三种语气

1. 在肯定句中一般用 must (一定)，may (可能)，might / could (也许，或许)。

He must/may/might know the answer to this question? 他一定 /可能 /也许知道这个问题的答

案。

2. 否定句中用 can't/ couldn '(不可能),may not/might not(可能不)。

It can't/couldn 'be the headmaster. He has gone to America这不可能是校长，他去美国了。

3. 疑问句中用can/could (能 ？)。

Could he have finished the task? 他可能把任务完成了吗？