be seen to do sth 和 be seen do sth 有什么不同?举实例说明In winter when clothes are washed and hung up near a fire,steam can (be seen to rise) from them.括号里用的词对吗?还是用be seen raising?

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be seen to do sth 和 be seen do sth 有什么不同?举实例说明In winter when clothes are washed and hung up near a fire,steam can (be seen to rise) from them.括号里用的词对吗?还是用be seen raising?

be seen to do sth 和 be seen do sth 有什么不同?举实例说明In winter when clothes are washed and hung up near a fire,steam can (be seen to rise) from them.括号里用的词对吗?还是用be seen raising?
be seen to do sth 和 be seen do sth 有什么不同?举实例说明
In winter when clothes are washed and hung up near a fire,steam can (be seen to rise) from them.
括号里用的词对吗?还是用be seen raising?

be seen to do sth 和 be seen do sth 有什么不同?举实例说明In winter when clothes are washed and hung up near a fire,steam can (be seen to rise) from them.括号里用的词对吗?还是用be seen raising?
be seen to do / be seen doing是对的,be seen to do这个的意思就是说过去被看见做什么事情.已经是过去式. be seen doing这个是过去被看见正在做什么事情,这个语法是过去正在进行时,希望可以帮到你.

be seen to do / be seen doing似乎是对的,be seen do sth没见过。

没有be seen do sth.原型是see ...do变为被动语态要加to,即be seen to do sth.
be seen to do sth.表示主语做的动作整个过程(一般比较短)都被看到。be seen doing sth.强调被看到时动作正在进行。
比如:I saw him get on the bus.-->He was seen to get on the b...

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没有be seen do sth.原型是see ...do变为被动语态要加to,即be seen to do sth.
be seen to do sth.表示主语做的动作整个过程(一般比较短)都被看到。be seen doing sth.强调被看到时动作正在进行。
比如:I saw him get on the bus.-->He was seen to get on the bus.他上车的整个过程我都看到了。People last saw the boy playing basketball on the playground.-->The boy was last seen playing basketball on the ground.人们最后一次看到那个男孩时,他在打篮球。人们看到他在打,而没有从头看到他打完,只是知道他那时在打球。
又比如:He was seen to steal the bike.有人看到他把车偷走了,偷车过程很短,都被看到了。
He was seen to stealing the bike.某个时刻有人看到他正在偷车(后面一般会加一个表示时刻的从句比如when I passed by.)
你的这个题目中我偏向于用be seen raising因为冒蒸汽这个过程比较长,一般不会从头看到尾,只是看的时候蒸汽正在冒。

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