had /have to后是不是加动词原形啊?

had /have to后是不是加动词原形啊? have to加动词的过去式,had to加什么? since you ———the most difficult exam ,you have nothing to worry about nowA,pass B passed C had passed D have passed主要是AD的讲解,since后加完成时是不是要可持续动词 have to是介词吗?后加动词原形吗 have to(不得不）后加动词的什么形式 have access to后加动词的什么形式 had better后加动词什么形式 Perhaps she had to go home early.这个had 后加了动词原形,到底是什么时态.. have / has+动词原形 和 had+动词原形 各是什么时态eg：A已经把邮件发给了B翻译是不是：A had sent an email to B b动词后的动词是不是都加ing?大家看下这题 while we had lunch last night ,it （start）to rain 怎么填 还有怎么判断 过去进行时啊 求 动词是不是要加to连接名词?动词后是不是要加to来连接名词?例如：I like to computer.,I wand to buy the pants. have是动词短语么?后面是不是不加动词? 哪些动词后再接动词 要加ing 哪些动词后再接动词 加to 动词 have fun 后加动词什么形式 请告诉我have to是不是情态动词 请告诉我have to是不是情态动词 请问have to是不是半情态动词? take 后是不是加动词ingtake 花费.