When a chopstick is partly in a glass of water
When a chopstick is partly in a glass of water, it looks as if it______.Whenachopstickispartlyinaglassofwater,itlooksasifit______. eaksB.hasbrokenC.werebrokenD.hadbeenbroken
C) were broken .【误】When a pencil is partly in a glass of water, it looks as if it breaks. 【正】When a pencil is partly in a glass of water, it looks as if it were broken. 【析】在as if(though)引导的表语从句或状语从句中,如果从句表示与现在事实相反,谓语动词用一般过去式;表示与过去事实相反,谓语动词用"had +过去分词";表示与将来事实相反,谓语动词用"would(might,could)+动词原形"。
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