20xx春八年級英語下冊unit5whatwereyoudoingwhentherainstormcame語法專練課件新版人教新目標(biāo)版-wenkub
2023-06-30 23:51:07 本頁面
【正文】 hen既可以連接時間點 ,又可以連接時間段 。 I was drawing while my brother was ,我在畫畫。例如 : I was taking a walk when I met ,突然遇見了他。例如 : I was trying my best to finish my work while my sister was watching ,我正在努力完成工作。 while連接時間段 ,與延續(xù)性動詞連用。例如 : I was doing my homework at this time 。 :at that time/moment,( at ) this time yesterday/last night/Sunday/last week...,at+時刻 +yesterday/last night/Sunday...,when 。when既可以與延續(xù)性動詞連用 ,又可以與非延續(xù)性動詞連用。 ( 2 )while可以連接兩個進行時態(tài)的句子 ,而 when不可以。 Ⅰ .單項填空 ( A )1.— Hey,
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