请问老师,以下搭配中of doing sth 和 to do sth分别做什么成分?:
be sure of dong sth
be sure to do sth
make sure of dong sth
make sure to do sth
be sure of dong sth (sure 的补足语;或方面状语)
be sure to do sth (不定式与 be sure 不可分割,看作合成谓语表“推测”,等于 must do 一定会)
make sure of dong sth(无此表达)
make sure to do sth(作目的状语)
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