agree的过去式是什么？英语动词变化规则

Agree的过去式是agreed。在英语中，动词的变化规则相对复杂，主要分为规则变化和不规则变化。

1. 规则变化：

（1）一般现在时第三人称单数动词加-s或-es。例如：play - plays，work - works。

（2）一般过去时动词加-ed。例如：do - did，run - ran。

（3）一般将来时动词加-will。例如：go - will go，eat - will eat。

（4）现在分词以-ing结尾。例如：read - reading，write - writing。

（5）过去分词以-ed结尾。例如：do - done，run - run。

2. 不规则变化：

（1）不规则动词的过去式和过去分词形式。例如：be - was/were，go - went，have - had。

（2）部分动词的过去式和过去分词形式相同。例如：put - put，cut - cut。

（3）部分动词的过去式和过去分词形式由原形变化而来。例如：write - wrote - written，find - found。

：

1. 规则变化：

- play - plays - played - playing

- work - works - worked - working

- go - goes - went - gone

- eat - eats - ate - eaten

2. 不规则变化：

- be - was/were - been

- go - went - gone

- have - had - had

- do - did - done

- see - saw - seen

- say - said - said

- come - came - come

- take - took - taken

- make - made - made

- know - knew - known

通过学习和练习，相信大家能够熟练掌握英语动词变化规则，为提高英语水平打下坚实基础。