1.quarrel quarrelled quarrels quarrelled quarrelling
2. practise practised practises practised practising
3.belong belonged belongs belonged belonging
4. say said says saied saying
5. forget forgot forgets forgotten forgetting
6.borrow borrowed borrows borrowed borrowing
7.get got gets got getting
8.lend lent lends lent lending
9.finish finished finished finished finishing
10go went goes gone going
11.ask asked asks asked asking
12.find found finds found finding
13.see saw sees seen seeing
14.think thought thinks thought thinking
15.take took takes taken taking
16.watch watched watches watched watching
17.look looked looks looked looking
18.steal stole steals stolen stealing
18.fall fell falls fallen falling
19.feel felt feels felt feeling
20 can could ---- ----- ----
只要找准规律,其实很好记