unit4sectionA语法

Unit 4 I used to be afraid of the dark.Section A（语法）（语法）Language Points1.used to 的用法的用法used to do sth.表示表示“过去常常做某事过去常常做某事”，指过去，指过去常常发生的动作或存在的状态。例如：常常发生的动作或存在的状态。例如：He used to walk to school.他过去常步行去上学。他过去常步行去上学。She used to be afraid of the dark.她过去怕黑。她过去怕黑。I used to be afraid of the dark.否定句：否定句：I didnt use to be afraid of the dark.一般疑问句：一般疑问句：Did you use to be afraid of the dark?Yes,I did.No,I didnt.1.I played soccer.=I _ _ _ soccer.2.He listened to music.3.Lily watched scary movies.4.I was tall.=I _ _ _ tall.5.She was afraid of the dark.used toplayused tobe同义句转换同义句转换1.I didnt play soccer.=I _ _ _ _ soccer.2.He didnt listen to music.3.Lily didnt watch scary movies.4.I wasnt tall.=I _ _ _ _ tall.5.She wasnt afraid of the dark.usetoplay同义句转换同义句转换didntusetobedidnt2.be afraid of 害怕害怕,后面可接名词、代词和动词后面可接名词、代词和动词-ing 形式。形式。例如：例如：Are you afraid of dogs?你害怕狗吗？你害怕狗吗？He is afraid of going out alone at night.他害怕在夜里独自外出。他害怕在夜里独自外出。be afraid 后面还可接动词不定式和宾语从句。后面还可接动词不定式和宾语从句。例如：例如：Dont be afraid to ask others for help if you need.如果你需要，不要害怕向别人求助。如果你需要，不要害怕向别人求助。3.注意区分注意区分alone和和lonely alone的意义是的意义是“单独的、独自的单独的、独自的”，而，而lonely则指则指“孤独的、寂寞的孤独的、寂寞的”。试看下面这个句子：。试看下面这个句子：The old mans wife died a year ago.He lives alone now,and he feels really lonely.这位老人的妻子一年前去世了。现在他独自生这位老人的妻子一年前去世了。现在他独自生活，感到很孤独。活，感到很孤独。4.still 我们用我们用“still 仍然仍然”来说明某人或某物没有变化来说明某人或某物没有变化。still应放在行为动词前面。应放在行为动词前面。He still lives in New Zealand.他仍然住在新西兰。他仍然住在新西兰。still应放在应放在be动词后面。动词后面。He is still crazy after all these years.这么这么多年过去了他仍然很疯狂。多年过去了他仍然很疯狂。still 应放在助动词或情态动词之后。应放在助动词或情态动词之后。She can still play the piano.她仍然能弹钢琴。她仍然能弹钢琴。