关于I have had a bad day的问题 I apologise if I have had a bad day and been grumpy with them.请问这里面为什么要用have had a bad day,为什么不可以说if I have a bad day.

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关于I have had a bad day的问题 I apologise if I have had a bad day and been grumpy with them.请问这里面为什么要用have had a bad day,为什么不可以说if I have a bad day.
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关于I have had a bad day的问题 I apologise if I have had a bad day and been grumpy with them.请问这里面为什么要用have had a bad day,为什么不可以说if I have a bad day.
关于I have had a bad day的问题
I apologise if I have had a bad day and been grumpy with them.请问这里面为什么要用have had a bad day,为什么不可以说if I have a bad day.

关于I have had a bad day的问题 I apologise if I have had a bad day and been grumpy with them.请问这里面为什么要用have had a bad day,为什么不可以说if I have a bad day.
if引导一个从句,如果从句的动作先于主句的动作,则用相应时态.
此处主句i apologize 是一般现在时态,而从句if中的动作发生在主句前,则要用现在完成时,即助动词have+过去分词.此处have的过去分词是had.如果主句是一般过去式,则从句要用过去完成时

第一个have是现在完成时的助动词啊
比如
I have had lunch.

have had ,
这是现在完成时,
I have a bad day ,
就变成一般现在时了、
因为有If,
不是翻译为 “如果” 得话
后面就加现在完成时

I had a bad 一道关于时态的英语题--I ____ the sports meeting has been put off.--Yes,the weather is too bad.A.have been told B.have toldC.had been told D.had told 关于I have had a bad day的问题 I apologise if I have had a bad day and been grumpy with them.请问这里面为什么要用have had a bad day,为什么不可以说if I have a bad day. Bad news _____ wing.A.have B.has C.had D.have had I have a bad I've had a bad day.这句话如何展开.若展开后为I have had a bad day 那么两个have had I have had a bad coldI have had a bad cold (选择)A.what is wrong for you B.what do you like C.what is the matter D.what is trouble whit you说明理由 一道关于so和such的题目The film had ____ in it that I was shocked.A.such bad language B.so a bad language C.such a bad language D.so bad language为什么选A? i wish that i ____such a bad headache because i really want to attend the conference.A.hadn'tB.didn't have had C.hadn't had D.haven't had 关于wish用法---Do you have a walkman?---No,but I wish____.A.have B.had had C.would have D.did What a bad day it has been for me!这样说行吗?What a bad day I have ever had! I have got a bad 几道关于主谓一致的英语题目1.i don't know if you noticed their absence or not,but we _____.A:did B:have C:had D:were为什么选A不选B?2.Half of the food_______ bad.A:has B:have C:are D:is为什么选D不选C?3.The excellent service of 几道关于主谓一致的英语题目1.i don't know if you noticed their absence or not,but we _____.A:did B:have C:had D:were 为什么选A不选B?2.Half of the food_______ bad.A:has B:have C:are D:is 为什么选D不选C?3.The excellent service o 求翻译:I can imagine you must have had a bad time I had a bad cold.翻译 翻译What a bad time I had! I had a bad day 中译英