1.thank sb (for sth/doing sth) e.g. We thanked them for all their help.2.have oneself/sb to thank (for sth) 对某事）负有责任; 使某人（对某事）负责e.g. She only has herself to thank for what happened. 出了事只能怪她自己. 3. I'll thank youfor sth/to do sth 用作提出请求或要求的礼貌用语e.g. I'll thank youfor that book. 请您把那本书送给我吧.4.thank God/goodness/heaven(s) 用以表示松心或宽慰e.g. Thank God you're safe! 谢天谢地, 你平安无事!

学习了谢谢楼主的分享。