I caught a cold 我感冒了。
感冒catch a cold caught是catch的过去式
例句：
I caught a cold last week and have been in bed ever since.
我从上个星期感冒之后就一直卧病在床。
I caught a cold yesterday,I must see a doctor.
我感冒了，我要去看医生。
A:Why are you here?You're supposed to be in school.
你为什么在这里？你应该在学校才对。
B:I caught a cold so I didn't go to school.
我感冒了，所以没有上学。
背景音乐：
小野丽莎-Les Feuilles Mortes
