发布网友 发布时间:2022-04-22 00:36
共2个回答
热心网友 时间:2023-05-28 02:41
一般有:
already--已经,常在肯定句中,
yet--仍然,还--多在疑问,否定句中,
ever--曾经,
never--从未,
since+时间点(自从。。。) I have worked here since2005.
for+一段时间短语(持续多久)They have lived here for 10years.
热心网友 时间:2023-05-28 02:42
for ,since 。yet ,already。 还有 it is the first time\second \third... time+that 从句中。
Eg:it’ll be the first time i've spoken in poblic.