第三单元
四会单词:watch—watched wash—washed 洗 clean—cleaned扫 play—played玩 visit—visited do—did last weekend周末 go—went
go to a park—went to a park 公园 go swimming—went swimming游泳
go fishing—went fishing钓鱼 read—read 读 go hiking—went hiking 郊游
四会句型:What did you do last weekend 周末干什?
I played football 踢足球
Did you read books 读书?
Yes I did读
No I didn’t 没
应该掌握知识点:
1关般时
般时态:表示某时间发生动作存状态谓语动词般式常yesterday(昨天) last week(周) last month(月) last year(年) two months ago(两月前) the day before yesterday(前天)in 1990 (1990年) in those days (日子里)等表示时间状语连
: I was born in 1990 (出生1990年)
When did you go to the park (什时候公园)
I went to the park last week (周公园)
面句子中第句属be动词般时态第二句第三句属实义动词般时态
(1)Be 动词般时态
没实义动词句子中be动词 am is 式was are式were
构成:肯定句:语+was (were) +宾语
:I was late yesterday (昨天迟)
否定句:语+was (were) +not+宾语
:We weren't late yesterday (昨天没迟)
疑问句:Was (Were) +语+宾语
: Were you ill yesterday (昨天病?)
肯定回答: Yes I was (病)
否定句: No I wasn't (没病)
特殊疑问句: 特殊疑问词+was (were) +语+宾语
:When were you born 什时候出生?
(2)实义动词般时态
肯定句动词式否定句疑问句助动词do does 式 did
肯定句:语+动词式+宾语
: I went home at nine o'clock yesterday(昨天九点钟回家)
否定句:语+didn't +动词原形+宾语
:I didn't go home yesterday (昨天没回家)
疑问句:Did +语+动词原形+宾语
: Did you go home yesterday (昨天回家?)
肯定回答: Yes I did (回)
否定回答:No I didn't (没回家)
(3)助动词情态动词式:
shall― should()第称单数
will― would()称
can could(会) may― might() must― must (必须)
have to― had to()
助动词情态动词时态式面动词原形
: I had to do my homework yesterday (昨天做作业)
(4)般时态动词式表示数动词式动词原形加ed构成类动词称规动词
1) 般情况词尾直接加ed :play― played work― worked
2) e结尾动词加d :like liked love― loved
3) 辅音字母+Y结尾动词变YI加ed :study― studied carry― carried
4) 重读闭音节结尾动词果末尾辅音字母双写辅音字母加ed :stop― stopped
(5)ed读音规:
1) 清辅音面读[t]
2) 浊辅音元音读[d]
3) [t] [d] 读[id]
(6)ed 结尾式称规动词
般时态三变技巧
变:肯定句变否定句
技巧1句中含情态动词助动词couldwouldshould等时直接面加not构成否定句例:
I could get you a concert ticket → I could not couldn't get you a concert ticket
技巧2句中含系动词waswere 时直接加not构成否定句例:
I was on the Internet when you called me → I was not wasn't on the Internet when you called me
技巧3句中谓语情态动词助动词系动词was were外动词时该动词前加did not didn't动词原构成否定句例:
The famous singer sang some Chinese songs → The famous singer did not didn't sing any Chinese songs
二变:陈述句变般疑问句
技巧1移动词语位置waswere couldwouldshould等移句首例:
He could pack his things himself → Could he pack his things himself
技巧2添加助动词did谓语情态动词助动词系动词was were外动词时语前加did动词原例:
Mr Li looked very old → Did Mr Li look very old
三变:陈述句变特殊疑问句
技巧1确定疑问词:who whom物what点where时间when what time原why频率how often长度how long距离how far等等例:
They gave the concert last night → When did they give the concert
技巧2辨认结构形式:疑问词+情态动词助动词 was were did +语+ 例:
The accident happened near the station → Where did the accident happen
2关名词格:(仅限学阶段 's格法)
(1)表示生命东西名词末尾加's例:
Jim's bed 吉米床
the man's wife 男妻子
children's toys 孩子玩具
the fox's tail 狐狸尾巴
(2)ess结尾名词末尾加's例:
the students' books 学生书
Teachers' Day 教师节
my boss' office 老板办公室
a girls' dormitory 女生宿舍
(3)表示两者拥物()时需名词加's(')果表示两者属关系()名词词尾加's(')例:
Joan and Jane's room(房间属二)
Joan's and Jane's room(指JoanJane房间)
(4)'s格修饰词省略现象
1)表示诊店铺某家等点名词名词格修饰语常常省略例:
I met her at the doctor's(office)诊遇见
He has gone to the tailor's(shop)服装店
She went to Mr Black's (house)yesterday昨天布莱克先生家
2)名词格修饰词果前面已提省略免重复例:
Whose pen is this It's Tom's谁钢笔?汤姆
The bike is not mine but Wang Pinpin's辆行车王品品
3themtheir: them表示 称代词宾格放物动词介词面做宾语I want to help them 想帮助 their形容词性物代词放名词前面These are their books书
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