I afraid that I must go now 改错

I afraid that I must go now 改错 must i go now? 改正句子：1.I afraid that you must go? ___It’s getting late, I’m afraid I must go now. --I'm afraid I must go now.-- A.What a pity.B.Oh,what's wron I must go home now. I must to go now.He musts clean the table now.改错 I am afraid I must be going与I am afraid I must go的区别 I must go now 还是 I must going now —It's getting late.I'm afraid I must go now.—OK.____ Asee yo 10.I'm afraid we must leave now.--- ________ . i must go to school now.