2.She moved to Hainan ten years ago.We____ each other since thenA.did"t seeB.haven"t seenC.wouldn"t seeD.hadn"t seen告诉这道题涉及到了什么语法

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/31 14:08:52

2.She moved to Hainan ten years ago.We____ each other since then
A.did"t see
B.haven"t seen
C.wouldn"t see
D.hadn"t seen
告诉这道题涉及到了什么语法

选择B,现在完成时态,表示从过去某一时刻持续到现在的持续状态.标志是“since”.

2.She moved to Hainan ten years ago.We haven't seen each other since then
这道题涉及到现在完成时和一般过去时

B.haven"t seen
现在完成事态,表示到现在已经完成,常与for+时间段。用在一起

B,第一句一般过去,第二句现在完成