1、表达经常性状态
现在
一般现在时：现在经常的状态；句式：（ She + is + 名词或形容词）；
She is beautiful.
She is crazy.
She is lazy.
She is smart.
She is awesome.
2、表达经常做的事
现在
一般现在时：现在经常做的事；句式：（ She + does + something ）；
She does homework sometimes.
She runs away sometimes.
She cleans window sometimes.
She cooks steak usually.
She learns English always.
She plays piano everyday.
She goes to Paris every month.
3、表达正在做的事情
现在
现在进行时：现在正在做的事；句式：（ She + is + doing + something ）；
She is doing homework.
She is cleaning window.
She is cooking steak.
She is learning English.
She is playing piano.
4、表达已经完成的事情
现在
现在完成时：现在刚刚完成的事；句式：（ She + has + done + something ）；
She has done homework.
She has cleaned window.
She has cooked steak.
She has learned English.
She has played piano.
5、表达已经做某事持续多久了
现在
现在完成进行时：现在已经做某事持续了多久；句式：（ She + has + been + doing + something + for + 持续的时间）；
She has been doing homework for 2 hours.
She has been cleaning window for 2 hours.
She has been cooking steak for 2 hours.
She has been learning English for 2 hours.
She has been playing piano for 2 hours.
