"not…because…"，有时可否定前面，有时可否定because本身，往往出现歧义。应根据上下文面判定。
In 1600 the earth was not the center of the universe because the majority then supposed it was; nor, because she had more readers, was Ella wheeler
Wilcox a better poet than Father Hopkins.
"so…that, such…that"是一个普通的句型，但在同一个句子里有两处使用它却比较少见。
The truth is, that in one point of view, this matter of national literature has come to such a pass with us, that in some sense we must turn bullies,
else the day is lost, or superiority so far beyond us, that we can hardly say it will ever be ours.
"by doing…"结构。这个结构的意思是"通过（做）……"，但翻译实践中不能拘泥于这种释义，不少情况下需要灵活变通。
The hippos, by depositing dung in the water, fed the fish that support the storks that destroy the rare trees.
下面例句为一倒装句，主语很长，而且又含有非常复杂的句型。这是以形容词作表语的倒装，翻译实践中多把倒装部分译到最前面。
No less obvious is the fact there are great numbers of people so constituted or so brought up that they cannot get so much pleasure out of processes and
experiences resulting in a poorer life less full of meaning.
"what…of"句型
I can not say of myself what Johnson said of Pope: He never passed a fault unamended by indifference, nor quitted it by despair. I do not write as I do;
I write as I can.
