even if ,as if ,ever since的意思

even if ,as if ,ever since的意思 even if ,as if ever since的意思 1.even if 2.ever since 3.as if 4.as though as if 和even even if;even though;as if;as though分别是什么意思? ever if和as if区别 so that、even though、as if、ever since都是是什么意思啊 举个例句 as if ,if only, if ever分别什么意思谢谢! as if /so that/ even 区别是什么 if ever as if 和even if有什么区别 as if ,even if有什么区别和用法 “if any”“if ever”“if “if any”“if ever”“if He looked behind from time to time ____ he were being followed by someonea、only if b、 even if c、as thoughd、 ever since as if,even though,even since,的意思? though,although,as,even if,even though有何区别? even if ,as if,if only 与only if的区别?