（1）清辅音：／p ／、／t ／、／k ／、／f ／、／F ／、／s ／、／W ／、／tF ／、／ts ／、／tr ／，再加上／r ／、／h ／，合计12个。
（2）浊辅音：／b ／、／d ／、／g ／、／v ／、／V ／、／z ／、／T ／、／dV ／、／dz ／、／dr ／再加
上／m ／、／n ／、／N ／、／l ／、／j ／、／w ／合计16个。
规则动词过去式的构成
构成规则 原形 过去式
一般动词原形末尾加－ed look play lift looked[lukt] played[pleid]
lifted['liftid]
结尾是e 的动词加-d live hope use lived[livd] hoped[h3upt]
used[juz:d]
末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加-ed stop plan(计划)
fit(适合) stopped[stCpt] planned[pl$nd]
fitted['fitid]
结尾是“辅音字母＋y”的动词，先变"y" 为"i" 再加"ed" study
carry
worry studied['stKdid] carried['k$rid]
worried['wKrid]
2） 规则动词过去式加“ed”后的发音规则：
读音 例词
在浊辅音和元音后面 [d] called[kC:ld] borrowed['bCr3ud] moved[mu:vd] enjoyed[in'dICid]
welcomed['welk3md] answered['a:ns3d]
在清辅音后面 [t] finished['finisNt] helped[helpt] passed[pa:st] reached[ri:tNt]
在[t],[d]音后面 [id] wanted['wCntid] started['sta:tid] needed['ni:did] counted['kauntid]
3） 不规则动词的过去式参见不规则动词表，常见不规则动词有：
am/is - was have - had come - came put - put buy - bought wear - wore are - were do - did say - said eat - ate read - read[red] go - went get - got see - saw take - took make - made
（1）清辅音：／p ／、／t ／、／k ／、／f ／、／F ／、／s ／、／W ／、／tF ／、／ts ／、／tr ／，再加上／r ／、／h ／，合计12个。
（2）浊辅音：／b ／、／d ／、／g ／、／v ／、／V ／、／z ／、／T ／、／dV ／、／dz ／、／dr ／再加
上／m ／、／n ／、／N ／、／l ／、／j ／、／w ／合计16个。
规则动词过去式的构成
构成规则 原形 过去式
一般动词原形末尾加－ed look play lift looked[lukt] played[pleid]
lifted['liftid]
结尾是e 的动词加-d live hope use lived[livd] hoped[h3upt]
used[juz:d]
末尾只有一个辅音字母的重读闭音节词，先双写这个辅音字母，再加-ed stop plan(计划)
fit(适合) stopped[stCpt] planned[pl$nd]
fitted['fitid]
结尾是“辅音字母＋y”的动词，先变"y" 为"i" 再加"ed" study
carry
worry studied['stKdid] carried['k$rid]
worried['wKrid]
2） 规则动词过去式加“ed”后的发音规则：
读音 例词
在浊辅音和元音后面 [d] called[kC:ld] borrowed['bCr3ud] moved[mu:vd] enjoyed[in'dICid]
welcomed['welk3md] answered['a:ns3d]
在清辅音后面 [t] finished['finisNt] helped[helpt] passed[pa:st] reached[ri:tNt]
在[t],[d]音后面 [id] wanted['wCntid] started['sta:tid] needed['ni:did] counted['kauntid]
3） 不规则动词的过去式参见不规则动词表，常见不规则动词有：
am/is - was have - had come - came put - put buy - bought wear - wore are - were do - did say - said eat - ate read - read[red] go - went get - got see - saw take - took make - made