and用法 Don borke his arm when he (sled)and fell on the ice.

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and用法 Don borke his arm when he (sled)and fell on the ice.
1.有when,有语境,为什么不用“when he was sliding”
2.这里的and,是表递进关系,而不是并列关系的,为什么要谓语一致?

这里 when he (sled)and fell on the ice 他驾雪橇时跌倒在冰上（这种表达似乎很正常,两个动作一先一后）
比较一下：when he was sledding and fell on the ice.您看,这种表达是否很别扭?
不如把从句再变成一个主从复合句：When he was sledding ,he fell on the ice.(当然,放在原句中不适合)
另外,sled 的现在分词是sledding,而不是 sliding ,请楼主明鉴.

and用法 Don borke his arm when he (sled)and fell on the ice. 9.Pam slipped on ice and ___ his lift arm.He said he'd ___. while he ____(ride)his bike ,he fell off and broke his arm 填 I slipped on the ice and fell over. 英语的词形变化1.He fell down and broke his arm .He must be ___(care He lost his b( ) and fell off the tree A stone hit ( ) and he fell down on the ground. the monkey was very afraid and he and his car fell into the 英语翻译He sat in his arm-chair at the head of the table,and nod 英语翻译< > < > < >the truck,he ran into the wall and his arm wa His arm is all right.He _ go and see the doctor.A.has not to his arm is all right.he go and see the doctor.