1. because of 是復(fù)合介詞，其后可接名詞或代詞，動(dòng)名詞以及由關(guān)系代詞型的所what 引導(dǎo)的從句等(但不能接that從句)。如：
He lost his job because of his age. 由于年齡關(guān)系他失去工作。
I said nothing about it, because of his wife’s being there.
因?yàn)樗拮釉谀莾?，我?duì)此事一字未提。
He knew she was crying because of what he had said.
他知道她哭是因?yàn)樗f(shuō)的話。
注：請(qǐng)注意下列正誤句子：
正：He cannot go to school because of sickness. / He cannot go to school because he is sick. 他因病不能上學(xué)。
誤：He cannot go to school because of (that) he is sick.
2. 由because of 構(gòu)成的介詞短語(yǔ)一般只用作狀語(yǔ)，而不用作表語(yǔ)。作表語(yǔ)時(shí)可用due to。如：
誤：Tom’s absence was because of the rain.
正：Tom’s absence was due to the rain. 湯姆因下雨不能到場(chǎng)。
注：在閱讀中有時(shí)也可見到because of 短語(yǔ)用作表語(yǔ)，但值得注意的是，此時(shí)句子的主語(yǔ)通常中代詞而不是名詞。如：
It is because of hard work. 那是因?yàn)閯诶鄣脑颉?BR> That will be because of money. 那將是因?yàn)榻疱X的緣故。
He lost his job because of his age. 由于年齡關(guān)系他失去工作。
I said nothing about it, because of his wife’s being there.
因?yàn)樗拮釉谀莾?，我?duì)此事一字未提。
He knew she was crying because of what he had said.
他知道她哭是因?yàn)樗f(shuō)的話。
注：請(qǐng)注意下列正誤句子：
正：He cannot go to school because of sickness. / He cannot go to school because he is sick. 他因病不能上學(xué)。
誤：He cannot go to school because of (that) he is sick.
2. 由because of 構(gòu)成的介詞短語(yǔ)一般只用作狀語(yǔ)，而不用作表語(yǔ)。作表語(yǔ)時(shí)可用due to。如：
誤：Tom’s absence was because of the rain.
正：Tom’s absence was due to the rain. 湯姆因下雨不能到場(chǎng)。
注：在閱讀中有時(shí)也可見到because of 短語(yǔ)用作表語(yǔ)，但值得注意的是，此時(shí)句子的主語(yǔ)通常中代詞而不是名詞。如：
It is because of hard work. 那是因?yàn)閯诶鄣脑颉?BR> That will be because of money. 那將是因?yàn)榻疱X的緣故。