When he (read)in bed,two thieves (climb)up into his house.动词适当形式

When he (read)in bed,two thieves (climb)up into his house.动词适当形式
When he (read)in bed,two thieves (climb)up into his house.动词适当形式

When he (read)in bed,two thieves (climb)up into his house.动词适当形式
When he (is reading )in bed,two thieves (climb)up into his house
或者 When he (was reading )in bed,two thieves (climbed)up into his house

read, climbed 用一般过去时

is reading climb

,when he was driving along the street, he saw two thieves (小偷）run out of a shop towards a car which was waiting in front of it .One

When he was reading in bed, two thieves climbed up into his house.