特殊：What color do you like best?
反意及回答：She is going to school,isn't she?Yes,she is.
选择及回答：Is she going to the park or going to school?School.
一般现在：I'm here with you.
一般过去：I was here .
一般将来：I'll be here.
现在进行：He is cleaning the kitchen.
过去进行：He was cleaning the kitchen.
现在完成：I've finished my homeword.
情态动词：must can could would shall should