| Because引导的原因状语从句有时可与because of 短语转换，because of后加的原因可以为好或坏 ，但最正规的还是because。 He can’t come because he is ill. / He can’t come because of his illness. 他因病不能来。 I said nothing about it because his wife was there. / I said nothing about it because of his wife’s being there. 因为他妻子在那儿，我对此事只字未提。 常见考法 对于原因状语从句的考查，多以单选和完形填空的形式，从连词的意义角度让大家选择连词。 典型例题：He found it increasingly difficult to read, ____ his eyesight was beginning to fail. A. and B. for C. but D. or 解析： “his eyesight was beginning to fail”是“he found it increasingly difficult to read”的原因， 因此本题应选用可以表示原因的连词for引导原因状语从句。 答案： B 误区提醒 除了because , since , as , for这四个词的辨析外，对于because 从句与 because of短语的区分也是难点之一。Because引导的原因状语从句有时可与because of 短语转换，because of后跟的是短语 ，because后跟的是句子。 典型例题：He didn't go to work the heavy rain. A .because B.because of C.so D.since 解析：题干的意思是“ 由于那场大雨，他没有去上班”，the heavy rain.表示原因，排除C; since和because 表示原因，后面跟的是从句，也就是说必须是一个完整的句子，本题中the heavy rain没有主语和谓语，.只是一个短语，所以排除A和C;because of表示“由于···”，后跟名词、代词或短语。 答案：B (责任编辑：admin) |