更新時(shí)間：2021-06-09 04:22:00作者：admin2
1.現(xiàn)在進(jìn)行時(shí),be+動(dòng)詞ing
2.過(guò)去進(jìn)行時(shí),were/was+動(dòng)詞ing
3.adj+動(dòng)詞ing,一般的adj后都是不定式的形式,但有2個(gè)詞除外.busy+動(dòng)詞ing,worse+動(dòng)詞ing
4.介詞后的動(dòng)詞都+ing
5.to分介詞和小品詞,小品詞后+to do，而介詞后就＋ing,如：be used to doing、prefer doing to doing、make a contrubution to doing、look forward to doing、pay attention to doing、accroding to doing、belongs to doing……
6.動(dòng)詞+動(dòng)詞ing，如：admit, advice, anticipate, appreciate, avoid，consider, delay，deny，dislike, enjoy，escape，excuse, fancy，favor, finish，imagine，include , keep, mind，miss, postpone, practise，prevent , propose, resist, risk, suggest……