光华mba考前辅导

MBA英语语法复习：从句

　　3. 有些句子从表层结构上看无if引导的非真实条件句, 但从深层意思上看是存在的。这种情况下主句动词仍需用虚拟式。这类句子中常出现without(如果没有), but for(要不是),otherwise(否则), but that(若不, 后接一从句)等词或词组。

　　But for your help, they couldn’t have succeeded.

　　要不是你的帮助, 他们就不会取得成功。

　　She wasn’t felling well. Otherwise she wouldn’t have left the meeting so early.

　　她感不舒服。不然她不会那么早就离开会场的。

MBA英语语法复习：从句

　　二、虚拟式也可用于其他情况

　　1. 在it’s necessary (important, natural, essential, proposed, required,

　　suggested, impossible, strange) that…引导的真正的主语从句中动词应用虚拟式,

　　表示必要、应该、建议、要求、惊讶、不相信等意。

　　It’s necessary that we (should) set out at once.

　　It’s proposed that a committee (should) be set up to look into the matter.

　　It’s only natural that you should be nervous. 你感到紧张是很自然的。

　　The dentist suggested that she (should) come another day.

　　It is highly important that we (should) combine revolutionary s