新目标英语八年级上unit1~3重要语法句型以及小知识点．比如什么词后加ing啊,等等等等．．．．．．．．．

分词和动名词后面加ing, 现在进行时的实意动词后加ing。
一般现在时动词用原形，主语是第三人称单数除外。
将来时动词用原形。
过去时动词后加ed.
现在完成时have(has)+动词ed.
过去完成时had+动词ed.
现在进行时be+动词ing.

现在进行时加ing，将来时be going to

U1:try doing sth
to do sth
one's best to do sth
look after=take care of
U2:It's important for sb to do sth
easy for sb to do sth
U3:finish doing sth
send sb sth =send sth to sb
be famous as
be famous for