英语翻译为什么help laughing 为什么laugh后要加ing?

英语翻译为什么help laughing 为什么laugh后要加ing? burst out laughing 请问为什么,laugh加ing Laughing at others is not good laugh为什么加ing? when I saw him,I could not help (laugh)为什么答案上填的是laughing He soon had them all laughing.翻译下 这里laughing为什么用ing形式 I don't like to see so many people laughing at you,为什么是laugh 为什么The funny story makes us ___ .A.laugh B.laughing C.to lau Laughing at others is not good laugh,others后为什么加is she often tells me jokes to make me laugh laugh为什么不加ing 过去时动词He could't help laughing when he heard the result.这里为什么 I can't help laughing when I see 为什么这么写? you can't help laughing when seeing them.为什么seeing前不加主语