teach是否要加s呢?

teach是否要加s呢? teach怎么样加S,就是变复数 a new teacher will come and teach you English对吗?为什么teach不加s? give instructions in English teach 为什么这里的teach不加-ing求问instruction常作复数是指其本身为复数还是指常常用作instructions加s呢? teach的第三人称是加s还是es teach在什么时候要加es? Cleaning可数吗?是否要加S? being 为什么要加ing?teach为什要加ing?不是spend to do sthbeing 为什么要加ing? teach为什要加ing?不是spend to do sth吗 ?make为什么要加s? Let's后面的动词是否要加to/s he is going to learn how to teach children的teach要不要加es The school needs help to teach music need为什么加s.The school needs help to teach musicneed为什么加s. who teaches you English(为什么teach后面要加es) one and a half hour 是否要加s letter作为字母的意思,复数是否要加s. Potatoes are my favourite vegetables.vegetable是否要加s? doesn't rain 中rain是否要加s holiday 可以加S么,两个月假期.英语怎么说?是否要加?holiday 加s 的话，是什么情况， Do you like bananas?中的banana为什么要加s呢?那么一个汉堡包,是否写Do you like hamburger?是不是一个