非延续性动词和延续性动词的转变His father has died.(for 2 years)The football
非延续性动词和延续性动词的转变
His father has died.(for 2 years)
The football match has begun.(since9:00a.m)
The twins have joined the army.(since they are 18years old)
My teacher has just left Nanjing.(for 3 days)