新概念172课语法总结和练习

1、，新概念1-72，语法摘要和练习，I .通常现在表示一般、重复动作或一般事实。包含，1，be动词的句子He is a teacher。疑问句变化句be动词移到句子的第一个字母Is he a teacher吗？肯定和否定答案是Yes，he is。/No，he is not。变不定式是be动词后接not He is not a teacher .2，be是没有动词的句子，即包含一般动词的句子。(1)第三人称单数和单数名词He likes books。否定句的主语和动词之间加上doesn t，动词变成圆形，原来句子的动词不再有第三人称变化。He doesnt like books。在疑问句中添加do

2、es动词是原型Does he like books？肯定和否定回答：yes，he does。/no，he doesht。(2)其他人称和复数名词I want to have a bath。边问题上的do Do you want to have a bath？否定句替换主语和动词之间的甜甜圈。you dont want to have a bath。肯定和否定回答是，I do。/No，I dont。替换常用的当前显示词usually，sometimes，always，often，every day month year，never，句子1。do you often play footlball

3、after school？(肯定的回答)2。I have many books。(改为否定句)3。Gao shan s sis ter likes playing table tennis(改为否定句)4 .shelives in a small town near new York(更改为一般疑问句)，5 .I watch TV every day。(改为一般疑问句)6。David has got a goal。(改为一般疑问句)7。We have four lessons。(否定句)8。Nancy doesnt run fast(积极句子)9。My dog runs fast否定句：一般疑

4、问句：10。Mike has two letters for him。一般疑问句：否定句：11。I usually play fooball on Friday afternoon。否定句：一般疑问句：下划线问题12。su Yang usually washes some Clothes on Saturday。否定句：一般疑问句：破折号问题： 13。明明白白water the flowers every day否定句子：一般疑问句：破折号问题14。Tom does his homework At home。否定句：一般疑问句：选句，第二，现在进行的是目前正在进行的动作。构成：主语be动词的弦

5、分词其他成分，前门：We are having lunch。换疑问句be动词移到句子开头Are you having lunch？换句否定句be动词后接not We are not having lunch。特殊疑问句：what、which、how、where、who、etc。疑问词动词主语现在分词What are you doing？动词garing的变化规则(1)通常直接，例如cook-coking (2)以不发音的e结尾，然后加上e-。例如：make-making，tasks-tasking (3)结尾是元音字母和辅音，双写结尾是辅音，然后是“run-running，Stop-stopp

6、ing sit”the boy _ _ _ _ _ _ _ _ _ _ _ _(draw)a picture now . 2 . listen . some girls _ _ _ _ _ _ _，5 .Look！they _ _ _ _ _ _(have)an English lesson . 6 . they _ _ _ _ _ _(not，water) the flowers now.7. look！the girls _ _(dance)in the class room。8.what is our son doing？she _ _ _ _ _ _ _ _(listen)to mus

7、ic . 9 . it s 5 o clock now . web _ _ _ _ _ _ _ _(have)suppsYes，she is，3，转换句型：1。They are doing housework。一般疑问句：否定句：2。the students are cleaning the class room。一般疑问句：否定句：3。I m playing the footlball in the playground线条处理部分的问题)4。Tom is reading books in his study(有关划线部分的问题)，通常表示过去发生的行动或事件，yesterday，last

8、night，the day before yesterday，3 days ago.1 .用包含be动词的句子将be动词改为过去时态。Am，is的过去时态是was，are的过去时态是were: I was at the butcher s .在疑问句中把be动词移到句子的第一个字母Were you at the butchers？肯定回答否定回答是，I was。/No，I was not。be动词后接not I was not at the butchers，特殊疑问句What did you do？没有Be动词的句子正面句子：将动词改为过去时态：I finished my homework yesterday。在变化疑问句中添加did，将动词改为原型did you finish your home work yesterday？肯定和否定回答是，I did。/No，I didnt。变体否定句在主语和动词之间是did not I did not finish my homework yesterday。规则动词历史变更规则1一般动词加-ed e.g. look-look-looked，Watch-watched，play-play