外研版九年級英語下冊《They sometimes work harder》Life now and then PPT課件(第1課時)，共10頁。
【辨析】deal with與do with
①deal with作“處理”講時，常與疑問詞how連用。
②do with作“處理”講時，常與疑問詞what連用。
But people don't take as much exercise as they used to.但是人們所做的運動不像過去一樣多了。
A)as...as...意為“像······一樣······”，第一個as是副詞，第二個as是連詞，常用于同級比較，其否定形式為not as/so...as...。主要用法如下：
①“as＋形容詞/副詞的原級＋as”結構可用來表示兩者在某方面相同或相近。
eg：This film is as interesting as that one.這部電影和那部電影一樣有趣。
②“倍數(shù)＋as＋形容詞/副詞的原級＋as”結構可表示兩者間的倍數(shù)關系。
eg：He runs twice as fast as I do.他跑得有我兩倍快。
B)used to意為“過去(常常)”，其后常接動詞原形，含有今昔對比之意。
eg：He used to play basketball after school.他過去常常在放學后打籃球。
【拓展】①used to的否定形式為usedn't to或didn't use to；其疑問形式為Used＋主語＋to do...？或Did＋主語＋use to do...？
②be used to doing sth. 意為“習慣于做某事”，指動作過去不常做而現(xiàn)在已習慣做了，強調(diào)目前的情況；to為介詞，后接名詞或動名詞。
③be used to do sth. 意為“被用來做某事”，為被動語態(tài)。
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關鍵詞：They sometimes work harder PPT課件免費下載，.PPT格式；
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