1 he think swim in cool water in hot summer is the happist thing 是swim 还是swimming 为什么2 please tell the boys never ----(play) football3 one of my teeyh -----(ache) last night

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1 he think swim in cool water in hot summer is the happist thing 是swim 还是swimming 为什么2 please tell the boys never ----(play) football3 one of my teeyh -----(ache) last night

1 he think swim in cool water in hot summer is the happist thing 是swim 还是swimming 为什么2 please tell the boys never ----(play) football3 one of my teeyh -----(ache) last night
1 he think swim in cool water in hot summer is the happist thing 是swim 还是swimming 为什么2 please tell the boys never ----(play) football
3 one of my teeyh -----(ache) last night

1 he think swim in cool water in hot summer is the happist thing 是swim 还是swimming 为什么2 please tell the boys never ----(play) football3 one of my teeyh -----(ache) last night
swimming,动名词做主语,think后是一个宾语从句
to play 用法是tell sb to do sth
ached ;last night表明用过去式

  1. 我觉得应该是swimming,swim是动词,不能再这里做think的宾语从句的主语,thinking是动名词,跟后面构成动名词短语,可以做主语了。

  2. to play,tell sb to do sth,是固定用法

  3. ached,过去时态