高二英語Saving the earth教案
注：上述所說的詞不放在句首，不用倒裝語序。
十、only所修飾的副詞、介詞短語或狀語從句放在句首時，其后面的主語部分要進行倒裝，如：
only in this way can you hope to improve the situation there.
only then did i realize that i was wrong.
only once did his father discuss his future with him.
only yesterday did i realize what was going on.
only after he came back was i able to see him.
注：only修飾主語，仍用自然語序，如：
only socialism can save china. 十一、含有否定意義的副詞、連詞或短語構(gòu)成的狀語放在句首時，常用倒裝語序
not, never, hardly, seldom, little, rarely,
scarcely, not until, not only…but also…,
neither…nor… no sooner…than…,
hardly…when …, scarcely…when
never shall i forget the day.
not until i began to work did i realize ihad wasted much time.
not only did he read the book, but also he remembered what he had read.
no sooner had he arrived than he fell ill.
hardly / scarcely had he arrived when he fell ill.
注：上面所說的詞和詞組如果不在句首，句子不必用倒裝語序。
另外，not only…but also連接兩個主語時, 不用倒裝，如：
not only the students, but also the teacher wishes for a holiday.
十二、當so（或such）…that…結(jié)構(gòu)中的so或such用于句首時，要采取倒裝語序，如：
so loudly did he speak that he was heard upstairs.