Before class was over this morning,the rian【stopped】,so I didn't neellld my umberalla
The moment he 【was】(be)here,they【left】(leave)the room immdiately.
【Can】 I 【make】(make) more coffee for you?
过去时态
情态动词后用原形
Before class was over this morning,the rian【stopped】,so I didn't neellld my umberalla
The moment he 【was】(be)here,they【left】(leave)the room immdiately.
【Can】 I 【make】(make) more coffee for you?
过去时态
情态动词后用原形