祈使句
动词原形开头
Don't be late for calss.上课不要迟到.
Come here quilckly.快来.
疑问句
一般疑问句
Are you a student?你是学生吗?
特殊疑问句
What's ypur name?你叫什么名字?
感叹句
What a good book it is!它是一本多么好的书啊!