be afraid of doing sth. be afraid that...
be afraid to do sth,害怕做某事 eg.She was afraid to wake her husband up.（害怕会引起不好的后果） be afraid of doing sth担心做某事 eg.She was afraid of waking her husband up.（含有关心的感情）
Δ1。 be afraid+不定式，表示不敢做某事；be afraid of+动词-ing，表示害怕出现某种结果。 eg。 1)。I am afraid to get up late because I am afraid of coming late。
我不敢晚起床，因为我怕迟到。 2)。He was afraid to ride a bike because he was afraid of breaking the legs。 他不敢骑自行车，他怕摔断腿。 Δ2。 I am afraid往往相当于I am sorry, but…，可用来引出带有歉意的回绝，表示一种担忧，语气较缓和。
eg。 1)。I'm afraid I can't come。 =I'm sorry, but I can't come。 抱歉，我怕不能来。 2)。I'm afraid you'll be late。 You must hurry up。
Δ 3。 I'm afraid not与I'm afraid so常用作答语，表示否定，后者表示肯定，not和so代替that从句。 eg。 1)。–Are we on time? –I'm afraid not。 (= No, I'm afraid that we are not on time。
) 2)。–It is going to rain。 –Yes, I am afraid so。 (= Yes, I'm afraid that it's going to rain。) 。
afraid a.[F] 1. 害怕的,怕的[(+of)][+to-v][+(that)] She was afraid that she might lose her job. 她担心会丢掉工作。 It seems that she is afraid to tell them about it. 似乎她怕将此事告诉他们。 Don't be afraid of snakes. 别怕蛇。 2. (用于提出异议,告诉不好的消息等场合,使语气婉转)恐怕,遗憾[+(that)] I'm afraid your wife had an accident. 很遗憾,你妻子出事了。 I'm afraid I can't help you. 对不起,我不能帮你。
答： 重视句子有效性和简洁性 在GMAT考试题目中，大家经常会看到对名词的状态性和动名词动作性的深入理解及名词词组核心词的辨认。而对动词时态的考查往往不是动作...详情>>
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