【词组解析】
1. as good as 和...几乎一样
（1）I bought a secondhand chair which is as good as new. 我买了一把二手货椅子,它如同新的一样.
（2）Without her glasses, she was as good as blind. 不戴眼镜, 她简直和瞎子一样.
2. as if 好像,仿佛
（1）It looks as if the firm is heading for another record year. 看来今年公司又要创纪录.
（2）She made a grand toilet as if for a ball. 她盛装打扮好像要去参加舞会似的。
拓展：as if 的用法
as if 从句的语气及时态
（1）as if 从句用陈述语气的情况。
当说话者认为句子所述的是真实的或极有可能发生或存在的事实时。如:
It sounds as if it is raining. 听起来像是在下雨。
He talks as if he is drunk. 从他谈话的样子来看他是醉了。
（2）as if 从句用虚拟语气的情况。
当说话人认为句子所述的是不真实的或极少有可能发生或存在的情况时。从句虚拟语气动词时态的形式如下：
①如果从句表示与现在事实相反，谓语动词用一般过去时。如：
You look as if you didn’t care．你看上去好像并不在乎。
He talks as if he knew where she was．他说话的样子，好像他知道她在哪里似的。
②从句表示与过去事实相反，谓语动词用“had＋过去分词”。如：
He talks about Rome as if he had been there before. 他说起罗马来好像他以前去过罗马似的。
The girl listened as if she had been turned to stone. 那女孩倾听着，一动也不动，像已经变成了石头似的。
③从句表示与将来事实相反，谓语动词用“would／could／might＋动词原形”。如：
He opened his mouth as if he would say something. 他张开嘴好像要说什么。
It looks as if it might snow. 看来好像要下雪了。
3. as regards 关于,至于
（1）As regards John, I will write to him at once. 至于约翰, 我会立即给他去信。
（2）I have little information as regards his past. 我对他过去的情况不太了解。
4. as to 至于,关于
（1）I'm not quite so innocent as to believe that. 我还不至于简单到相信那种事的地步。
（2）Daddy was trembling with anxiety as to how the talks would go.爸爸为那些商谈的进展而焦虑不安。
5. as usual 像平常一样,照例
（1）In the hotel, the old men were drinking away as usual. 在旅馆里, 这些老人和往常一样喝个不停。
（2）I found him in the garden, dreaming away as usual. 我发现他像平日一样在花园里做着好梦。