second conditional与third conditional的区别

second conditional与third conditional的区别 英语中one conditional,second conditional,third conditional conditional 请问second conditional句型条件从句为什么要用过去式? the first （second ）conditional clause条件句怎么还有 first second之分呢? 请问英文什么是时态,conditionals:zero,first,second and third conditional. Present conditional first conditional in the second floor与on the second floor的区别,谢谢T-T：The computer room is______the second floor.C）A.in B.at C.on D.by Conditional offer firm acceptance conditional approval是什么意思 conditional access是什么意思 second ,it's very___not to buy the things you don't——英语,快与购物有关 the second last 与 last second 的区别 a second time 与the second time 有什么区别? for a second 与 for the second 的区别 second second