1.thank you( for telling) us such an interesting story.为什么用for telling??----> thank you for sb感谢某人thank you for sth为某事感谢thank you for doing sth.for是介词,后面加动词的话,肯定是加-ing形式的2.on Sunday. I have to go to the farm( to help )my parents.为什么用to help 不用helping??---> 固定搭配看下面这个例子I will go to the sheriff to law you.我要...
1. thank sb for doing sth 是个笃定搭配。 for 表原因2. to help my parents 是目的状语, 目的状语不能用v-ing3. playing soccer 是动名词做主语, 动词原形不可能做主语【希望帮助到你,若有疑问,可以追问~~~祝你学习进步,更上一层楼!(*^__^*)】...