though, although
　　注意： 當(dāng)有though, although時(shí)，后面的從句不能有but，但是 though 和yet可連用
　　Although it's raining, they are still working in the field.　
　　雖然在下雨，但他們?nèi)栽诘乩锔苫睢?br/> 　　He is very old, but he still works very hard.　
　　雖然他很老，但仍然努力地工作。
　　Though the sore be healed, yet a scar may remain.
　　傷口雖愈合，但傷疤留下了。 （諺語）
　　典型例題
　　1） ___she is young, she knows quite a lot.　
　　A. When　B. However　 C. Although　 D. Unless
　　答案：C。意為雖然她很年輕，卻知道許多。
　　2)　as, though 引導(dǎo)的倒裝句
　　as / though引導(dǎo)的讓步從句必須表語或狀語提前（形容詞、副詞、分詞、實(shí)義動(dòng)詞提前）。
　　Child as /though he was, he knew what was the right thing to do.
　　= Though he was a small child, he knew what was the right thing to do.
　　注意： a.　句首名詞不能帶任何冠詞。
　　b.　句首是實(shí)義動(dòng)詞，其他助動(dòng)詞放在主語后。如果實(shí)義動(dòng)詞有賓語和狀語，隨實(shí)義動(dòng)詞一起放在主語之前。
　　Try hard as he will, he never seems able to do the work satisfactorily.
　　= Though he tries hard, he never seems…
　　雖然他盡了努力，但他的工作總做的不盡人意。
　　3)　ever if, even though.　即使
　　We'll make a trip even though the weather is bad.
　　4) whether…or-　 不管……都
　　Whether you believe it or not, it is true.
　　5)　"no matter +疑問詞" 或"疑問詞+后綴ever"
　　No matter what happened, he would not mind.
　　Whatever happened, he would not mind.
　　替換：no matter what = whatever
　　no matter who = whoever
　　no matter when = whenever
　　no matter where = wherever
　　no matter which = whichever
　　no matter how = however
　　注意：no matter 不能引導(dǎo)主語從句和賓語從句。
　?。ㄥe(cuò)）No matter what you say is of no use now.
　?。▽?duì)）Whatever you say is of no use now.
　　你現(xiàn)在說什么也沒用了。(Whatever you say是主語從句)
　　（錯(cuò)）Prisoners have to eat no matter what they're given,
　　（對(duì)）Prisoners have to eat whatever they're given.　囚犯?jìng)冎荒芙o什么吃什么。