1. only(not, all, but, never) too …to do so 和"too ready (apt) + to do"結構中，不定式也沒有否定意義，凡是"not"，"all""but等字后+"too…to，"不定式都失去了否定意義，在"too ready(apt) +to do"結構中，不定式也沒有否定意義。
　　You know but too yell to hold your tongue.
　　2. "no more …than…"句型
　　A home without love is no more a home than a body without a soul is a man.
　　3. "not so much…as"和"not so much as …"結構，"not so much…as"="not so much as …"，其中as有進可換用but rather，可譯為："與其說是……毋須說是……"。而"not so much as"="without(not)even，"可譯為"甚至……還沒有"。
　　The oceans do not so much divide the world as unite it.
　　4. "Nothing is more…than"和"Nothing is so …as"結構，"Nothing is more…than"和"Nothing is so …as"都具有最高級比較的意思，"Nothing I"可換用"no"，"nobody"，"nowhere"，"little"，"few"，"hardly"，"scarcely"等等，可譯為"沒有……比……更為"，"像……再沒有了"，"最……"等。
　　Nothing is more precious than time.
　　5. "cannot…too…"結構,"cannot…too…"意為"It is impossible to overdo…"或者，即"無論怎樣……也不算過分"。"not"可換用"hardly"，"scarcely"等，"too"可換用"enough"，"sufficient"等。
　　You cannot be too careful.
　　6. "否定+but "結構，在否定詞后面的"but"，具有"which not"，"who not"，"that not"，等等否定意義，構成前后的雙重否定�？勺g成"沒有……不是"或"……都……"等。
　　Nothing is so bad but it might have been worse.