不管说哪个动词,现在进行时你就后面加-ing就行了,要是修完了,就后面加ed,repairing repaired,
举个例子:我正在修车:I repairing the bike,
我昨天修过车,I repaired the bike at yesterday,
不管说哪个动词,现在进行时你就后面加-ing就行了,要是修完了,就后面加ed,repairing repaired,
举个例子:我正在修车:I repairing the bike,
我昨天修过车,I repaired the bike at yesterday,