掉下用英语怎么说过去式

"Dropped" is the past tense form of the verb "drop." The verb "drop" is thought to have come from the Old English word "droppan," which means "to let fall." Here are some examples of the verb "drop" in the past tense form "dropped" in a sentence:

I dropped my phone and it broke. (我掉下了我的手机，它坏了。)
He dropped the book on the floor. (他把书掉在地板上。)
She dropped her keys and couldn't find them. (她掉下了她的钥匙，找不到了。)