2020-2021学年Section A评优课课件ppt

这是一份2020-2021学年Section A评优课课件ppt，共18页。PPT课件主要包含了注意事项，标志词等内容，欢迎下载使用。

Sectin A2 3a-3c
一 基本结构主语+have/has+动词过去分词+其他二 基本句式1.肯定句：主语+have/has+动词过去分词+其他2.否定句：主语+haven’t/hasn’t+动词过去分词+其他
Present Perfect Tense
三 一般疑问句 Have/Has+主语+动词过去分词+其他简略答语: ---Yes, 主语 + have/has. (肯定)----N, 主语 + haven't/hasn't. (否定)
现在完成时的定义（一）
(1)表示过去发生的或已经完成的动作对现在造成的影响或结果；
s far (到目前为止，迄今为止), ever（曾经）, never（从来不）, just（刚刚）, yet（还）， nw, up t nw（直到现在）, in the past tw years\mnths(在过去的两年里\数月), the last few years(近几年里), befre(以前), already（已经）(be动词、助动词、情态动词之后，实意动词之前）, recently（最近）, lately（最近）, nce（一次），twice(两次),three times（三次）等等
1.have been(t)表示“去过某地（人现在已经回来了）”，可用于各人称2. have gne(t)表示“去了某地（人还没有回来）”，常用于第三人称；
Read the article written by a father fr a newspaper. What is his family ging t sell at the yard sale?
Sn: a train and railway set the ty mnkeyDaughter: certain tysFather: ftball shirts
Fast reading
Read the passage and chse true (T) r false (F).
1. My daughter is 15 and my by has already started junir high schl.2. Our huse really get smaller.
Careful reading
3. My sn was quite sad at first.4. My daughter felt happy t part with certain tys.5. I want t give up my ftball shirts.
Read the article again and answer the questins.
1. Why did they decide t have a yard sale?2. What d they want t d with the mney frm the sale?
Because the father’s children get bigger and their huse seems t get smaller.
They want t give the mney t a children’s hme.
3. Why des the sn want t keep his train and railway set?4. Hw can the ld tys be useful again?
Because he has wned it since his furth birthday, and he played with it almst every week until he was abut seven.
They can be sld t the peple wh need them.
5. Have yu ever thught abut having a yard sale t sell yur things? What wuld yu d with the mney yu raise?
Yes, I have. I wuld give it t the charity.
现在完成时的定义（二）
可表示动作或状态在过去已经开始，一直持续到现在的动作或状态，还有可能继续持续下去
“fr+时间段”，“since+过去时间点”或”、“since+过去时的从句”、“since+过去时的从句”、 ”、“since+一段时间+ag”且fr与since引导的时间状语可以相互转换。