2013-2014 高中英语《Module5A trip along the three gorges》语法学案(含答案) 外研版必修 4课题A Trip Along the Three Gorges课时1 课时教学目标1
Revise some language points
Learn more about Grammar of the module
Learn to use modal verbs教学重点Revision of modal verbs教学难点Deal with some important exercises about it
课堂导学情态动词复习 Revision of modal verbs 情态动词也叫语气动词,有一定的词义,表示某种感情和语气,认为它“可能”、“应当”、“必要”等
,但不能单独作谓语,只能和动词原形一起构成谓语
英语里的情态动词主要有:can(could), may(might), must, shall, will, would, need, dare, should, ought to
情态动词在任何主语后没有人称和数的变化
除 must, need, ought to 外,其他情态动词有表示过去时的形式变化:can(could); may (might) ; shall (should) ; will (would) ;dare ( dared)一、 can 和 could ⑴表示能力: can 表示现在或未来的能力,could 作为 can 的过去式,表示过去的“能力” 如:Whales cannot live on land
____________________________________
We can skate
_________________________________