不规则动词的过去式和过去分词变化规则表1

不规则动词的过去式和过去分词变化规则表1
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不规则动词的过去式和过去分词变化规则表 1:

1、 A — A — A 型,即原形、过去式和过去分词三者都相同。 cost — cost — cost

cut — cut — cut

hit — hit — hit

hurt — hurt — hurt

let — let — let

put — put — put

read — read — read

2、 A — B — B 型,即过去式、过去分词相同。

1) 过去式和过去分词都含有 -ought 。

bring — brought — brought

buy — bought — bought

think — thought — thought

fight-fought-fought

2) 词尾有 -ild , -end 时,只需把 d 变为 t 。

build — built — built

lend — lent — lent

send — sent — sent

spend — spent — spent

3) 过去式、过去分词都含有 -aught 。

catch — caught — caught

teach — taught — taught

4) 把 -eep 变为 -ept 。

keep — kept — kept

sleep — slept — slept

sweep — swept— swept

5) 把 -ell 变为 -old 。

tell — told — told

sell — sold — sold

6) 过去式、过去分词都含有 -elt 或 -ilt 。

smell — smelt — smelt

spell — spelt — spelt

feel — felt — felt

7) 过去式、过去分词都在原形词尾加 t 。

learn — learnt — learnt

mean — meant — meant

8) 过去式、过去分词词尾去 y 变 -id 。

say — said — said

pay — paid — paid

lay — laid — laid

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