四年级英语下册过去式句子类型及示例如下：

一、规则动词过去式

1. 一般规则动词加-ed

play → played

read → read

write → wrote

swim → swam

jump → jumped

run → ran

2. 特殊规则动词变化

以不发音的e结尾 → cut → cut

重读闭音节且末尾是辅音字母y → carry → carried

以“辅音字母+y”结尾 → stop → stopped

动词原形以“元音字母+e”结尾 → live → lived

二、不规则动词过去式

be动词 → was/were

do → did

have → had

take → took

see → saw

make → made

find → found

fall → fell

sing → sang

drink → drank

buy → bought

eat → ate

wear → wore

call → called

open → opened

三、过去式标志词与时间状语

常用标志词：yesterday（昨天）、last week（上周）、last month（上个月）、last year（去年）、two years ago（两年前）

例如：

Yesterday, I watched a movie.

Last month, we visited the museum.

四、过去完成时（用于过去之前）

had → had

done → done

例如：

By the time we arrived, the movie had started.

注：部分动词如"open"的过去分词为"opened"，需注意区分过去分词与过去式。建议结合时间状语和上下文判断时态。