1、托福作文常用长难句：一：倒装句式二：强调句式三：虚拟语气 四：插入语句式一种独立成分,与句子的其它成分一般没有语法上的关系,大都是对一句话作一些附加说明或解释。它通常由一个词、一个短语或一个句子构成,位置较为灵活,可置于句首、句中或句末,一般用逗号或破折号与句子隔开。 插入秘籍：不定式 1 To start with; to sum up（总之）; to be sure; 2 to some extent（在某种程度上）; to some degree（在某种程度上）插入秘籍：副词 1 悲哀啊。讽刺啊。为时不晚啊。sadly，.; Ironically, Be lately， Eg: Sadl
2、y, our environment is destroyed so far; ironically, we still do whatever we want to waste natural resources with little consciousness of protection. Be lately, we should propose certain solutions to solve the problem.2 表递进： and then, and next, besides（另外）, 3 表因此 ： therefore，hence（因此） ， thus， accordi
3、ngly， consequently（结果）4 （主语）绝不应该总是做 B 而不考虑 A；否则， （主语）最终将不能实现 C 了。By no means should 主语 ever do B in spite of doing A; otherwise, 主语 could not do C, eventually.Eg: By no means should we improve the economy and ensure supply in spite of emphasizing on the sustainable development of environment; otherwise, we could not exist in the world, eventually.插入秘籍： 分词 1 如果，那么 provided that，完整句子2 尽管 B 好，A 更好，所以我们要选择 AGranted，B 好； even so, A更好， and therefore, wed better choose A插入秘籍： 介词 1 we should do A, reasonable, in my opinion. 2 主语，weather A or B, V + O
