助動詞の過去形について(1)




広告

はwould?mayの過去形はmaight?shouldの過去形は何?should have pp?(のにしなかった)それならばmust have pp と had toの違いは何?have to否定形はdon't have toなのに had to の否定形はdidn't have toにはならないの?may have pp

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