since可以用于一般过去时吗

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/15 13:38:19
since可以用于一般过去时吗
xRMN@蚰Gm]H1XX`ЂQPB,ŘV=}Ӳ D$FwfJA7 V5Y|Qi.d$l QMYÌ+.ߍj|lbqs*03g Zeb9Ad73̨ wM/qȚp63?8.%"N@UuRALTJUrjyZ&} SOߩZ+0dLtk\n$C^MǮ7u8y*|5P*S/h\V."bY!ɼG4J:dR>, Q9k 7Kޮ64 g}c

since可以用于一般过去时吗
since可以用于一般过去时吗

since可以用于一般过去时吗
since 有两个意思,
1、解释为:自从.(到此刻)时,since引导的句子时态是一般过去时态,主句是现在完成时态,如:He has been a teacher since it was three years ago
He has been a teacher 主句,完成时态,since it was three years ago从句一般过去时态
2、解释为:因为,由于的时候,since引导的句子的时态很多遍,有语境决定
如:He won a prize for the competition since he had spent so much on it 等
希望能帮到您