、Do you have a new teacher?你们有新的老师吗?
Is he strict?他很严格吗?
Can I join you?我能参加吗?
Can you do housework?Yes,I can.No,I can’t你能做家务吗?是的,我能.不,我不能.
Is there a farm?Yes,there is.No,there isn’t.有农场吗?是的,有.不,没有.
对以is are do can will为首的一般疑问句,用yes 再将句首两单词反过来,如是no,将反过来的单词后加not.
一般现在时的构成
1.be动词：主语+be(am,is,are)+其它.如：I am a boy.我是一个男孩.
2.行为动词：主语+行为动词(+其它).如：We study English.我们学习英语.
当主语为第三人称单数(he,she,it)时,要在动词后加"-s"或"-es".如：Mary likes Chinese.玛丽喜欢汉语.
一般现在时的变化
1.be动词的变化.
否定句：主语+ be + not +其它.如：He is not a worker.他不是工人.
一般疑问句：Be +主语+其它.如：-Are you a student?-Yes.I am./ No,I'm not.
.行为动词的变化.
否定句：主语+ don't( doesn't ) +动词原形(+其它).如：I don't like bread.
当主语为第三人称单数时,要用doesn't构成否定句.如：He doesn't often play.
一般疑问句：Do( Does ) +主语+动词原形+其它.如：- Do you often play football?- Yes,I do./ No,I don't.
