语法是学习一门语言的基础,只有掌握了语法，才能更好的去学习新的结构，也才能更加轻松的学习，所以，今天课窝小编为大家整理了英语六级基础语法，希望对你有所帮助。
英语六级基础语法知识：since的四种用法
1) since +过去一个时间点 (如具体的年、月、日期、钟点、1980, last month, half past six)。
I have been here since 1989.
2) since +一段时间+ 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 +一段时间+ since从句
It is two years since I became a postgraduate student.
不知读完这篇文章对你有哪些帮助呢?希望考生们勤加练习，提高自身的能力，如果各位同学对六级写作内容，六级阅读技巧以及六级听力难点等还有所疑问的地方，请继续关注课窝考试网或者资讯在线课窝客服哦!
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