Let's后面为什么不用drink,to have ,to eat

Let's后面为什么不用drink,to have ,to eat he is going to stay at home ( )about a week为什么不用on而用for?请讲明原因,let s ( ) a drink A had B have C having Dto have为什么不用to have而用have? Will you?Shall we?Let us have something iced to drink?Let's have something iced to drink?A:will you B :Shall we 选哪个?为什么啊 let me go和let me to go let是动词 为什么后面不用to go而是go呢 Let's go see it?为什么不用“Let's go to see it? go后面为什么要加动名词?Let's go have a drink!这有怎么解释呢？have make和let后面为什么主动语态不用to而被动语态要to 什么情况下like后面要加s,和like后面要加ing.i like to drink some water.为什么drink前面要加to let's have a _(drink)of orange答案是drink,为什么? never的后面的动词是不是用原形例句“He never drink coffee” “he”是第三人称单数但为什么“drink”不用加“S”不是说第三人称单数后面的动词要加“S”吗? let's some broccoli let's后面应填什么?A.eat B.to eat C.eating D.eats,为什么! Let's try the back door 为什么try后面不接to?Let's try the back door 为什么try后面不接to? I am too tired.Let's stop ( )a rest答案是for,为什么不用to Let's go and have a drink下面两句话可以吗：Let's go to have a drinkLet's go to drink some everyone does here,let's begin our class.为什么everyone后面用does而不用are,或者is let us go to school together,will you?这个反意疑问句为什么后面不用否定形式,即won' you Let's drink to our health and success.为什么是 to 不是 forRTfor 不可以么 Let's后面的动词是否要加to/s