有这样一道考题,其中涉及了 not…until… 句型: It was not __________ he took off his dark glasses __________ I realized he was a famous singer. A. when,that B. until,that C. until,when D. when,then 此题选 B。考查 not...until 的强调结构,其基本句型为: It is
It is that/who 强调句句型用法 当需要强调句中的主语、宾语、状语时,我们常用“It is/was+被强调部分+that/who...”这样的句型,被强调的部分放在前面,其它部分置于that之后。强调的主语如果是人,that可以换用who。如何区分这种强调句句型与that从句?如果把这种句型中的句型结构部分(It is/was...that/who...)划掉后,是一个完整无缺的句子即是强调句。 He read three book