四年级英语下册中常见的过去式句子包括以下几种：

一般过去时的肯定句

I watched a movie last night.

They went to the park yesterday.

She read a book last week.

一般过去时的否定句

She didn't go to the party yesterday.

They didn't finish their homework.

一般过去时的疑问句

Did you finish your homework？

Were you at the concert last night？

一般过去时的特殊疑问句

Where were you last night？

What did you do last weekend？

动词过去式的变化

walk - walked

talk - talked

play - played

listen - listened

watch - watched

cook - cooked

dance - danced

phone - phoned

live - lived

stop - stopped

hop - hopped

skip - skipped

ride - rode

little - little

这些句子结构通常遵循“主语 + 动词的过去式 + 其他成分”的格式。例如：

I playedfootball yesterday.

They wentto the beach last summer.

She didn'teat breakfast this morning.

这些句子展示了如何使用一般过去时来描述过去发生的动作或状态。希望这些信息对你有所帮助!如果有更多具体需求或需要更多例句，请随时告诉我。