1.because連詞,引導原因狀語從句
He can’t come because he is ill.他因病不能來。
I got a job because I worked hard.因為工作努力,我得到了一份工作。
2.because of介詞短語,引導名詞或代詞作狀語
He can’t come because of his illness.他因病不能來。
I got a job because of my hard work.因為工作努力,我得到了一份工作。
【提示】 強調(diào)原因狀語時,只能強調(diào)because和because of引導的狀語。
It was because I worked hard that I got the job.是我工作努力才得到了這份工作。
It is because of his illness that he can’t come.是因為有病他才不能來。