学霸们可不可以告诉我为什么try 要加ing呢

学霸们可不可以告诉我为什么try 要加ing呢 为什么I want to have a try.要加to 而Let me have a try.不用加to i can wait forever.那个can是不是一定要加?可不可以不加?为什么要加? I后面可不可以加is为什么 I is a miracle 这句话要在I后面加is .I went to try to pick it up and it bit me again .为什么要加 went try的ing形式.为什么try后面是直接加ing而不是去y为i再加ing? 初三英语1题,try要不要加ing为什么 As fire tries gold,so does adversity try virtue.为什么后面在一般现在时中adversity try virtue.这个try用原型,而不用改y为i加s呢?而前面的try加了s啊? novel可不可以加s 为什么 Can I try them on in here?here 前面为什么加“in?here 什么情况下前面加“in”啊? I have nothing to complain of.为什么要加of?可不可以改写There is nothing worth complaining.要加of吗? So I try to avoid any eye contacteye要不要加s?Looking shit through each others eyeslooking为什么要用ing形式 I'd like to return this watch that I bought here last week.为什么要用that?可不可以不加that,或者改成what 英语好的进,I enjoy watching TV.I enjoy dancing.这两句话为什么wahch和dance为什么要加ing呀,不加可不可以的呀,为什么呀,请细说. 谁能权威地告诉我,0后面可不可以加单位? I try try to die用法：I cannot believe that she died ,要加was吗在I cannot believe that she died “句子中为什么不用加was,可不可以这样用：I cannot believe that she she was died I cannot believe that she died ,要加was吗在I cannot believe that she died “句子中为什么不用加was,可不可以这样用：I cannot believe that she she was died