英语语法1.Jeremy asked her why this was so and she told him that
4个回答
1 see sb do/doing/done sth do表示做了 doing强调正在做 done表示被看到做某事
2 was called是被动,two fire fighter freed George 是表时态,描述过去的事,用过去时,
using 是非谓语动词形式,表伴随 补充说明等,可以把两句话变成一句话
比如该句原来可以是
two fire fighter used a special type of grease and freed George.
去掉and,use和two fire fighter是主动关系,所以用现在分词-ing；
再比如,为了解释造的句子
two fire fighter freed George and were given a reward.
可写作
two fire fighter freed George given a reward.
give与two fire fighter是被动关系,所以是过去分词-ed
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