She worked from half past seven in the morning until late at night, studying government papers.老师，until late at night: until 是个介词还是连词，late at night 是副词短语吗？还是until后面省略了She worked ?
If you spend one hour a day reading 10 pages of a book, you can finish more than 3,600 pages a year, and 110,000 pages in 30 years.请问老师，时间状语 in 30 years 可以去掉 in 吗？
Over the past seven years , CHP has presented over 100 educational
seminars to various groups , such as schools, government offices, as well as
the general public.这句中的present怎么理解？有present sth. to
sth. 吗？
If you then examined the European national youth teams, you would find this strange phenomenon to be even more pronounced.请问各位老师不定式作的是补语吗？the phenomenon is to be even more pronounced.
...cgh007等专家对until与<一般过去>/<现在完成>连用的剖析，很有帮助。对于until<与一般现在>的连用未见比较，我试做了一下，不知是否正确？请专家予以指正。句式：She V.（= worked/ has worked / works）as a nurse until past her 6...
After declining the post of Secretary of State he nevertheless found himself taking on the role of unofficial adviser to the President.请分析这里的taking on the role of...语法现象，这里为什么用现在分词作himself的宾补呢？谢谢老师！