本帖最后由 woxinfeixiang 于 2008-12-25 22:23 编辑
不规则动词的过去式大体上归纳有以下六条记忆法:
1. 以t结尾的词,过去式与原形相同。如:put—put, let—let, cut—cut, beat—beat
2. 以d结尾的词,把d变成t。如:build—built, lend—lent, send—sent, spend—spent
3. 以n结尾的词,在词后加t。如:mean—meant, burn—burnt, learn—learnt
4. 以ow / aw结尾的词,把ow / aw变成ew。如:blow—blew, draw—drew, know—knew, grow—grew
5. 含有双写字母的词,将双写改为单写,在词尾加t。如:keep—kept, sleep—slept, feel—felt, smell—smelt
6. 含有元音字母o / i的词,将o / i变成a。如:sing—sang, give—gave, sit—sat, drink—drank |