Question

观察下列句子，试着归纳其画线部分所包含的句型结构。

1．The last thirty years have seen the greatest number of laws stopping our rights and progress, until today we have reached a stage where we have almost no rights at all．(P34, Para．4)

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2．…only then did we decide to answer violence with violence．(P34, Para．6)

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Answer 1

答案：
解析：

1．时间名词作主语。 　　2．only＋状语＋部分倒装句(主句)。