Period 4: Grammar学习目标 1
扎实掌握词汇与语法的用法，提升综合语言运用能力
自主学习，合作探究；学会分析与总结的方法并学以致用
学习难点：动词不定式的用法学习重点：如何掌握动词不定式的用法课前预习预习自测：用括号中动词的适当形式填空学情诊断 (1)Do tell me the way you think of _____________ the problem as soon as possible
(solve)(2)As an employee，I couldn’t help but _____________ still for hours as the boss told me to
(stand)(3)If there’s a lot of work _____________，I’m happy to just keep on until it’s finished
(do)(4)I want to find some interesting books _____________
(read) (5)I have no choice but _____________ the fact
(accept)课内探究一、动词不定式定义:在语法中,它是动词的一种不带词形变化从而不指示人称、数量、时态的形式
由 to+动词原形构成，否定式 not to do
1．动词不定式的时态和语态形式时态主动被动一般式to doto be done进行式to be doing 完成式to have doneto have been done(1)一般式：表示不定式的动作与谓语动作同时发生或动作发生于谓语动作之后
He seems to understand what I said
他似乎明白我说的话
(2)进行式：表示不定式的动作与谓语动作同时发生且动作正在
