是dancing lesson要加s或者a吗have a dancing lesson 还是have dancing lesson

是dancing lesson要加s或者a吗have a dancing lesson 还是have dancing lesson what lesson do they have lesson 要加s么什么时候加,什么时候不加 There's a sign ___(ask)for dancing lesson Let's go singing and dancing.的's是us吗?要正确!thanks!那go后面必须加singing and dancing吗？ 他们喜欢上英语课 they like having english lesson,lesson要加s变复数吗? they like having english lesson,lesson要加s变复数吗? We have a dancing lesson的意思Dansing为什么加Ing 1.Math lessons ,lesson为什么加s? Young people are dancing dragon dances in the steets.(为什么后面的dance要加s we talk to each other in english in yesterday's lesson为啥要加in?in yesterday's lesson的那个in 为什么跳舞课要用dancing lesson用dancing的原因啊 这里该用什么副词、连接词前面一句是：They told me much about the lesson.后面一句是：I am vey interested in the lesson.中间要加一个连接词或者副词或者短句.前后是因果关系,但又不是简单的thus或者so, 什么时候要加s或者es? mr.wood teaches a lesson 为什么teacher加S//? mr.wood teaches a lesson 为什么teacher加S//? swimming lesson为什么swim要加ing When we were dancing the rain in that december因为用了were,就知道这是过去式,那为什么要用dancing加ing呢?求语法 英语三单线的问题They like dancing. 1.They不是第三人称么?那like加s么? 2.那He like dancing加么? 3.那He like apple 呢?这个dancing是现在进行时 所以前面的like不加s对么？