be careful 可以跟不定式 和从句 be careful to do sth be careful 加名词性从句 其他跟介词 的用法 是介词本身的用法 除了 be careful with 和 be careful for以外 还有 be careful in doing ,be careful about sth, be careful of sth 并没有be careful doing的用法
首先,没有be careful of doing 搭配。 其次,careful 搭配用法主要有—— be careful to do be careful of/about doing sth be careful that 意思基本都是 认真/细心做某事 be careful 可以跟不定式 和从句 be careful to do sth be careful 加名词性从句 其他跟介词 的用法 是介词本身的用法 除了 be careful with 和 be careful for以外 还有 be careful in doing ,be careful about sth, be careful of sth 并没有be careful doing的用法
第2个回答 2016-03-22
首先,没有be careful of doing 搭配。 其次,careful 搭配用法主要有—— be careful to do be careful of/about doing sth be careful that 意思基本都是 认真/细心做某事
第3个回答 2020-09-09
如果有be careful +doing 的表达形式那应该理解为doing sth是一个-ing从句。 可以理解为be careful when you are doing sth