初电工培训学校,英语语法大全:since的种用法
1) since +过去个电工培训班开课时间点 (如具体的年、月、日期、钟点、1980, last month, half past six)。
I have been here since 1989.
2) since +段电工培训班开课时间+ ago
I have been here since five months ago.
3) since +从句
Great changes have taken place since you left.
Considerable time has elapsed since we have been here.
4) It is +段电工培训班开课时间+ since从句
It is two years since I became a postgraduate student.
since的用法有哪些
2016年不断变化,sp.hnygpx.net/wz_index.php? 电工培训学校网提供的电工培训学校,电工学校、电工培训学校仅供参考,具体以相关招生部门的为准!