before vs时态 句子一条Everyone was frisked before getting on the plane.这是个成句喔,是正确的没错.根据时间的推算,如果是这样：Everyone had been frisked before he got on the plane.这样也对那么、如果把before的从

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before vs时态 句子一条Everyone was frisked before getting on the plane.这是个成句喔,是正确的没错.根据时间的推算,如果是这样：Everyone had been frisked before he got on the plane.这样也对那么、如果把before的从

before vs时态 句子一条Everyone was frisked before getting on the plane.这是个成句喔,是正确的没错.根据时间的推算,如果是这样：Everyone had been frisked before he got on the plane.这样也对那么、如果把before的从
before vs时态 句子一条
Everyone was frisked before getting on the plane.
这是个成句喔,是正确的没错.
根据时间的推算,如果是这样：
Everyone had been frisked before he got on the plane.
这样也对
那么、
如果把before的从句换成非谓语：
Everyone had been frisked before getting on the plane.
这样okay么?

before vs时态 句子一条Everyone was frisked before getting on the plane.这是个成句喔,是正确的没错.根据时间的推算,如果是这样：Everyone had been frisked before he got on the plane.这样也对那么、如果把before的从
当然可以,语法上没错,这里getting是动名词,相当于主语+动词+宾语.但是这里是过去完成时,即在过去某一动作发生前已经完成,所以这里还是用第一种比较好点.

before vs时态 句子一条Everyone was frisked before getting on the plane.这是个成句喔,是正确的没错.根据时间的推算,如果是这样：Everyone had been frisked before he got on the plane.这样也对那么、如果把before的从 英语句子出现before应用什么时态? ever before Have you ever been to shanghai?这个句子是什么时态 在句子中before和after前后都是什么时态 关于英语语法和时态几个跟旅游有关的常用句型：(1) I have (never) been to.../here/there before.Have you ever been to.../here/ there before?这个been在句子中算什么时态,是被动语态吗,还是现在完成时,为什么有 ever用什么时态 i ever felt before 句子+before+句子 两个句子的时态都可以有哪些 before用于什么时态 ever since用作副词,放于句末时句子的时态可以是什么? 用 “because of”与“than ever before ”各造两个英语句子 Has Tim ever been abroad before or not?请帮我回答一下这个句子. ever since用于什么时态? 有的英语句子里后面是THAN EVER BEFORE有的句子后面是THAN BEFORE请问这在句子里表达的意思都一样吗? 带before的句子中动词用什么时态?动词用过去式还是原形? the dag before yesterday 的句子中动词用什么时态 用before和in the past的句子用什么时态?