这种语法对吗？

毛的可以 英语 至少我学的时候老师就说过 如果你想用逗号只用在那里打了点就行了 英语里面不用逗号的

I think he was right, but I also think he was not calm then.

随便造了个句子

你说的应该可以啊

可以

可以
I planned to go but I had no time.=I planned to go,but I had no time.

完全没问题啊，有人给你扣分么？

可以