非谓语动词

But the red men were not so infrequent visitors of the English settlements, that one of them would have attracted any notice from Hest Prynne, at such atime; much less would he have excluded all other objects and ideas from her mind.

通常情况下，在非真实条件句中主句和从句的谓语动词所指时间是一致的，但有时也可能指不同的时间，这时要根据上下文的意思采用不同的谓语动词形式。

A finite clause is one with a finite verb phrase as its predicate verb or predicator; a nonfinite clause is a clause with a nonfinite verb phrase as its predicator.

以非限定动词（即动词不定式、-ing 分词、-ed 分词）作谓语动词的分句叫做非限定分分句。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。