have has had是怎么回事,什么样子时在用什么?is are（was,were）呢?有什么句子示例吗

have has had是怎么回事,什么样子时在用什么?is are（was,were）呢?有什么句子示例吗 什么时候用have,had,has He has had no experience in this sort of work请问这里的has had 是怎么回事.in this sort of work属于什么句子成分 at the concert 什么时态那请问 He( )a great time at the conectA have Bhave had C has had D has have应该选什么啊 HAs HAD 和HAVE HAD区别HAVE HAD 和HAS HADE had+过去式 have/has+过去分词有什么区别,都是什么时态? have/has/had加been是什么时态 had has have各什么时候用? have,has,had 用法告诉下吧... 求have,has,had的区别? 怎么区别has have had用法? have & has & had用于句子中有什么区别呢最好有例句 have has had ...是有什么区别?我对此类的问题很模糊. I played with Maomao in the park.I____a happy day today.(have,had ,has)选什么? 关于时态的问题have beenhave been 和have had been有什么区别?原句是这样的：I've heard has been good.有have也有has has had 和had had有什么区别? It's a good habit ( ) breakfast every day添什么A had B have C has D to have 请教have的用法 has had havinghas had having的用法 还有就是has been 什么的用法 什么情况下用