The plan proved to (be)useful可不可以,因为有些系动词后加to be的话可以把be 省略,所
The plan proved to (be)useful可不可以,因为有些系动词后加to be的话可以把be 省略,所以可不可以把这句话中的be去掉
赞 breezeandjew 幼苗
共回答了27个问题采纳率：92.6% 举报
to be 可以一起省略,不可单独省略be
比如 He seems to be tired. = He seems tired.
比如 He seems to be tired. = He seems tired.
1年前
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你能帮帮他们吗