(1)usedto表示“过去常常”隐含现在不这样了,其中to是不定式符号,后跟动词原形,仅用于过去时态。 (2)be/get/becomeusedto表示“习惯于”时,意为“变得习惯于“或“开始习惯于”。 (3)beusedtodo表示“被用来”。 十、情态动词后的某些动词形式 1、情态动词+havedone (...
①Chinese entrepreneurs have been working hard to become leading innovators,aiming at responding to consumer market... (16年6 月CET6,第一套) 中国企业家也在努力争做创新的先...
例1:While producing large quantities of CO2, these computers emit a great deal of heat, so the centers need to be well air-conditioned, which uses even more energy. 译文:当这些计算机产生大量二氧化碳的同时,还释放出了大量的热量,因此数据中心又必须装备...
1. If sb had done sth (坏事), sb would never have done sth (好事). 如果某人过去做了某事(坏事),那么他永远不可能做某事。 If Hugh Miller, after toiling all day in quarry (采石场), had devoted his evenings to rest and recreation, he would never have be...
【起止标识】标记非谓语动词短语时,一定是从动词不定式(to do)、动名词(doing)或分词(现在分词doing或过去分词done)开头,到以下四种情况终止。 ① 到句尾终止,如:Li Hui is a teacher (teaching English). ② 到句中的逗号终止,如:(To improve my English), I often l...
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