方式状语从句通常由as, (just) as…so…, as if, as though引导。 1） as, (just) as…so…引导的方式状语从句通常位于主句后，但在(just) as…so…结构中位于句首
地点状语从句通常由where, wherever 引导。 Where I live there are plenty of trees.我住的地方树很多。Wherever I am I will be thinking of you. 不管我在哪里我都会想到你
19.1 地点状语从句地点状语从句通常由where, wherever 引导。 Where I live there are plenty of trees.我住的地方树很多。Wherever I am I will be thinking of you. 不管我在
1）不用that的情况a) 在引导非限定性定语从句时。 (错) The tree, that is four hundred years old, is very famous here.b) 介词后不能用。 We depend on the land from which we
1）what = the thing which；whatever = anything What you want has been sent here. Whatever you want makes no difference to me. 2) who= the person that whoever= anyone who （错）Who breaks
1)Whoever spits in public will be punished here. (Whoever 可以用 anyone who 代替) 2)The parents will use what they have to send their son to technical school. (what 可以用all that代替)
由as, which 引导的非限定性定语从句，as和which可代整个主句，相当于and this或and that。As一般放在句首，which在句中。As we know, smoking is harmful to one's health.Th
1）介词后面的关系词不能省略。 2）that前不能有介词。 3） 某些在从句中充当时间，地点或原因状语的“介词+关系词“结构可以同关系副词when 和where
___________________________________________________ 情况 构成方法 读音例词__________________________________________________一般情况 加 -s 1.清辅音后读/s/; map-maps 2.
名词可以分为专有名词（Proper Nouns）和普通名词 (Common Nouns），专有名词是某个（些）人，地方，机构等专有的名称，如Beijing，China等。普通名词是