英语关键句型72种 （四） 37． “Every…not“和“All…not“结构，不完全否定。 Every man is not polite, and all are not born gentlemen. 38． “may as well not…as“结构，可译为“与其……不如不……“。 One may as well not know a thing at all as know it but imperfectly. 39． “have only to …do“结构，表示“只须（消）……就能……“。 We have only to turn to that extraordinary discovery made by Edison to see the significance of it. 40． “not (no) …unless…“句型，“除非…否则…”。 No increase in output can be expected unless a new assembly line is installed. 41． “better…than…“句型 Better my life should be ended by their hate, than that hated life should be prolonged to live without your love. 42． “as it were“，非常常用的插入语， “好象“，“可以说“。 A piece of iron near a magnet, though apparently separate from it, feels, as it were, the threads of this attachment. 43． 复杂结构中，由于定语从句过长，把谓语提到定语从句之前。 Though faith and confidence are surely more or less foreign to my nature, I do not infrequently find myself looking to them to be able, diligent, candid, and even honest. Plainly enough, that is too large an order, as anyone must realize who reflects upon the manner in which they reach public office. 44． “not…any more than…“, “不能……，正如不能……“。 One cannot learn to sketch and express himself graphically only by reading about it any more than one can learn to swim while standing by the pool. 45. “By that as it may“是“Let it be that as it may“的省略形式，一种假设结构，意思是“虽然如此，尽管这样“。 It is said that the nerve poison is the more primitive of the two, that the blood poison is, so to speak, a new product from an improved formula. Be that as it may, the nerve poison does its business with man far more quickly than the blood poison. 46． “if at all“, 由“if“引起的主谓结构不完整的短句, “即使……“。 I can see only with great difficulty, if at all. 47． 由there引起的复杂句子结构. There have been opened up to the vast and excellent science, in which my work is the beginning, ways and means by which other minds more accurate than mine will explore its remote corners. 48． “range from …to…“,常见结构，举例表示范围广。 Computer applications range from an assembly line completely run by computers to a children toy responding to remote signals.