现在进行时的结构是什么

8809cn 1年前 已收到2个回答 举报

城头草 幼苗

共回答了17个问题采纳率:94.1% 举报

is / am /are+doing

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8809cn 举报

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举报 城头草

现在进行时的构成形式 现在进行时由 be 的现在式 + 现在分词构成。 I am You are He is She is It is We are You are They are 缩写形式如下 I'm You're He's She's It's We're You're They're 拼写法:动词后面如何加 -ing wait/waitng 大多数动词后可直接加-ing,而不需改变动词的拼写法。 如beat/beating, carry/carrying, catch/catching, drink/drinking, enjoy/enjoying, hurry/hurrying。 如果动词以-e结尾,则去掉-e,再加-ing,如 come/coming, have/having, make/making, ride/riding, use/using。但以-ee 结尾的动词和age,singe两个动词除外:agree/agreeing, see/seeing, age/ageing, singe/singeing。 run/running 如果动词只有一个元音字母,而其后跟有一个辅音字母时, 则将此辅音字母双写,再加-ing,如:hit/hitting, let/letting, put/putting, run/running, sit/sitting。 begin/beginning 如果动词有两个音节,且重音在第二个音节上,则末尾的 辅音字母须双写,再加-ing,如 for'get/forgetting, pre'fer/ preferring, up'set/upsetting。 试比较 'benefit/benfiting, 'differ/differing, 'profit/profiting, 这些词的重音在第一个 音节上,因此其末尾的辅音字母不双写。注意在英国英语中 'label/labelling, 'quarrel/quarrelling, 'signa/signalling, 'travel/travelling等例外情况,但在美国英语中则不双写,如 labeling, quarreling, signaling, traveling。 以 -ic 结尾的动词,应先把 -ic 变为 -ick,再加 -ing, 如 panic/panicking, picnic/picnicking, traffic/ frafficking。 lie/lying 其他如 die/dying, tie/tying均同此。

xiaojie_88 幼苗

共回答了4个问题 举报

动词+ing

1年前

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