作业帮 > 英语 > 作业

be careful问题

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/05/03 07:24:27
be careful问题
如果后面跟东西,介词用什么?
举例说明.
be careful问题
很多啊:(认真看) (/口\)
后接介词 of 或 about, 表示“当心”、“留意”等.如:
Be careful of the dog; it sometimes bites people. 当心那条狗,它有时候咬人.
You must be careful of [about] your pronunciation. 你要注意你的发音.
注:be careful 后一般不接介词 for.如:
我希望你要多注意身体.正:I hope you’ll be more careful of[about] your health.
误:I hope you’ll be more careful for your health.
2. 后接介词 with(其后多接名词)或 in(其后多接动名词),表示做某事时很小心或仔细.如:
He’s careful with [=in doing] his work. 他工作很仔细.
Be careful with the vase; it is valuable. 这花瓶很贵,小心点.
Be careful in dealing with such people. 和这种人打交道要小心.
3. 后接不定式.如:
Be careful not to drop it. 小心不要把它掉了.
You must be careful to avoid being caught. 你必须小心,不要被抓住.
比较:
He’s careful to read every sentence. 他注意读(即不漏读)每一个句子.
He’s careful in reading every sentence. 他读每个句子都很仔细.
4. 后接从句.如:
Be careful how you hold it. 小心拿好.
Do be careful what you say. 说话一定要小心.
Be careful that you don’t hurt her feelings(=Be careful
not to hurt her feelings). 当心别伤害她的感情.
注:后接 what 从句时,可用介词 of, about 等,但通常省略,但是若是接 that, how, when, where 等引导的从句,则一般不用介词;另外,从句谓语若指将来,通常要用一般现在时代替将来时( 见上例).