er,even though,even If Р24.4 no matter+wh-words Р24.5 wh-words+-ever Р24.6 whereas,while Р24.7 Adj/Adv+as/though Р25.Clauses of cause,result and purpose(原因从句、结果从句和目的从句) Р25.1 because,as,for,for,for this reason,etc. Р25.2 hence,therefore,then,as a result of, etc. Р25.3 for, for this purpose, with this in mind, lest, in order than, etc.Р26.Clausesof manner parison(方式从句和比较从句) Р26.1 as, as……as, not so(as),more than, less than, no/not more than Р26.2 as, just as Р26.3 as if, as though Р27.clause of proportion and other types(表示比较关系的从句和其它从句) Р27.1 the…the…Р27.2 as…So…Р27.3 except that Р28.Coordination(并列) РCoordinators:and,both…and,not only…but(also),as well as,either…or,neither…nor,whether…or,not…but,for,etc. Р29.Clauses with introductory it(用引导词it的从句) Р29.1 Anticipatory it as subject or object