yesterday he swam in the sea .是病句吗,怎么改

yesterday he swam in the sea .是病句吗,怎么改 I hear that he swam in the sea yesterday?这句话对吗?swam可以换成swim, I swam in sea yesterday.对swam in the sea 提问 swam in the sea意思 英语一般疑问句：He swam in the river yesterday. I swam in the sea this morning Tom swam in the river yesterday.swam提问 he swam in the river(用at this time yesterday改写） i hear that he ___(swim)in the sea yesterday 英语改病句 1.He leaves his book in the classroom yesterday.2.This her uncle swam in the sea last year 对swam提问 Those are the boys.The boys swam in the river yesterday afte