He looks as if he is ill为什么用if 、

He looks as if he is ill为什么用if 、 looks as if he was dead 和he looks as if he is dead的区别. 帮我看看as if后面be动词的用法区别He looks as if he were ill.He looks as if he is ill.都是他仿佛病了.还有He looks as if he were sleeping.和He looks as if he is sleeping.都是一个意思,用were的一定是虚拟语气了,但 He isn't as old as he looks.(变为 同义句） He is _____ _______ he looks. He is not ____ a fool____.A such,as he is lookedB such,as he looksC as,as he is lookedD so,as he looks The man _ alone looks as if he is reading .Another man _ on his side looks as if he is trying to 为什么答案填的空是 seated ;lying He looks as if he were hungry是表语从句还是方式状语从句?如何判断? The same is true of the owl,who always looks as if he were considering some important questions.是虚拟语气吗?he were considering 谓语用were. He is not __________ a fool __________.A.such,as he is looked B.such,as he looks C.as,as he is looked D.so,as he looks he is not such a fool as he looks这句是什么从句? 根据汉语完成句子 he looks as ___(好像）he is ill 选择题（时态）How strange it is! He looks as if he __________ all about it．A knows B know C knew D has knew 请说明一下as if前后用法 谢! 高中英语单选 helpThe patient is seriously ill.It looks as if he _______.A.dies B.has died C.is dying D.was died he looked as if sick这句话对吗?还是he looked as if is sick? He is not such a fool as he looks.这句话对吗?我觉得不太对应该是as he looks like才对啊? 1.He will not come he is invited A.if B.if not C.until D.unless2.The fact he is an advanced worker is known to us all.A.what B.which C.why D.that 3.She looks she were ten years younger than her age A that B like C as D as if 4.Was it possible he misu The same is true of the owl,who always looks as if he were considering some important question.翻译,并进行语法分析 6.he looks as if he ______ nothing about the newsA)would knowB)knewC)would have knownD)should know