1、12一般现在时一般现在时3肯定式肯定式否定式否定式疑问式疑问式I am a student.1.一般现在时be动词I am not a student.Am I a student?He/She is not a student.Is he/she a student?We/You/They are friends.We/You/They are not friends.Are we/you/theyfriends?He/She is a student.4肯定式肯定式否定式否定式疑问式疑问式1.一般现在时Work为例I work.I do not work.He/she/It works.D
2、oes she/he/it work?We/You/They work.We/You/They do not work.Do we/you/they work?He/she/it does not work.Do I work?5He gets up at 6:30 every morning.用一般现在时翻译下列句子用一般现在时翻译下列句子1.我常常照顾我妹妹。我常常照顾我妹妹。3.他他/他们每天早上他们每天早上6:30起床。起床。2.他经常照顾他妹妹。他经常照顾他妹妹。I usually look after my sister.He often looks after his siste
3、r.你能试着把上面的句子变成相应的否定句，你能试着把上面的句子变成相应的否定句，疑问句吗？疑问句吗？They get up at 6:30 every morning.6一般过去时一般过去时7肯定式肯定式否定式否定式疑问式疑问式1.一般过去时be动词I was a student.I was not a student.Was I a student?He/She was a student.He/She was not a student.We/You/They were friends.We/You/They were not friends.Were we/you/they friend
4、s?Was he/she a student?8肯定式肯定式否定式否定式疑问式疑问式1.一般过去时实义动词，以work为例I worked.I did not work.Did I work?He/she/It worked.He/she/it did not work.Did she/he/it work?We/You/They worked.We/You/They did not work.Did we/you/they work?9The workers built a new road last year.用一般过去时翻译下列句子用一般过去时翻译下列句子1.在在2009年的时候，我还是
5、学生年的时候，我还是学生3.去年工人们修了一条新路。去年工人们修了一条新路。2.Tom昨天三点开始写家庭作业。昨天三点开始写家庭作业。I was a student in 2009.Tom began to do homework at 3 oclock yesterday.你能试着把上面的句子变成相应的否定句，你能试着把上面的句子变成相应的否定句，疑问句吗？疑问句吗？10现在进行时现在进行时 表示现在正在进行的动作或状态。表示现在正在进行的动作或状态。构成：构成：肯定式：肯定式：be(am,is,are)+doing 否定式否定式:am/is/are not+doing 疑问式疑问式:Is/
6、Are+主语主语 +doing?标志词标志词:now,look,listen,at eight Eg:Look!Tom is playing chess with his grandfather.We are having an English lesson.11一、将下列句子改为否定、疑问句一、将下列句子改为否定、疑问句并回答并回答 1.Im writing a letter to my friend now.否：否：_ _ writing a letter to my friend now.问：问：_ _ writing a letter to my friend now?Yes,_ _.
7、No,_ _.2.They are cleaning the classroom.否否:They _ _ the classroom.问问:_ they _ the classroom?Yes,_ _.No,_ _.二、用所给单词的正确形式填空。二、用所给单词的正确形式填空。1.What _ you _(do)now?I _(swim).2._ your father _(read)a newspaper now?Yes,he _.No,he _3.Look!Who _(give)a talk4.Listen!Mike and Kate _(sing)5.He _(read)now.He _(
8、not write)12过去进行时过去进行时的否定式过去进行时的否定式:was/were not+doing过去进行时的疑问式过去进行时的疑问式:Was/Were+主语主语 +doing?标志词标志词:then,at that/this time,at eight yesterday,When I came in,a moment ago翻译下列句子翻译下列句子1.My father was reading newspaper at nine yesterday.2.LiLei was talking when the teacher came in.3.While LiLei was tal
9、king,the teacher came in.4.I was listening to the music while I was doing my homework13现在完成时 动作从过去一直持续到现在，或者过去的动作对现在造成影响。句子结构 sb.+have/has done+sth 例句；They have already finished the work.They havent finished the work yet.Have they finished the work yet14翻译练习 他的同学学英语已经两年了。Her classmates have learned
10、English for two years 她的父母自从1988年就住在美国。Her parents have lived in USA since 1988 我从上个周就拥有了这台新电脑。I have had the new computer since last week。15过去完成时 重点记忆动作或事情发生在过去的过去。句子结构：句子结构：sb.haddone sth例句：例句：我在你回来之前就已经把晚饭准备好了我在你回来之前就已经把晚饭准备好了I had finished cooking dinner before you came back.16练习题 翻译：在妈妈回来之前我已经把
11、作业做好了。I had finished my homework before my mother came back.到那时我已经学会了到那时我已经学会了3000个英语单词个英语单词I had learned 3000 English words at that time.17注意区分 It is the first/second time that sb have/has done 这是某人第几次做。It was the first/second time that sb had done 那是某人第几次做。It is the best/most+adj.+名词 that sb have/has done 那是某人见过最。It was the best/most+adj.+名词 that sb had done 那是某人曾见过最。
