用need to do sth.和agree to do sth. 造句

如题所述

先说need to do sth
need可以作情态动词也可以作普通动词。
当它为情态动词的时候,肯定形式就是need do sth.当它是普通动词时候,肯定形式是need to do sth.由此,此处为动词形式。例句:I need to do my homework.

agree to do sth。意为同意某事
例句:He agreed to our suggestion.
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第1个回答  2011-10-23
I need to tell him the truth==I must tell him the truth.
I have agreed to help him,but I won't start to help until tomorrow.
第2个回答  2011-10-23
i need to do homework
he agreed to help me do my homework.