很多人都强调用连词、介词等词汇手段迅速提高语言水平。但这种方法需要一定的积累。而通过对低级句型的改造，可以迅速达到这一目的。
●强调句：可以轻松地将时间、地点、原因、方式等类型状语从句转变为强调时间的强调句。
it was not until i arrived home that i realized i had left the bag on the shop counter.
●倒装句：只要句中有介词短语或状语从句，便可将其提前，变成倒装句。
only when i turned right at the crossing did that car crack towards me.
only by this means can he escape from the big fire.
●with引导的伴随结构：可以将状语从句或并列句中的其中一个分句变成with结构。
with the sun lighting brightly and the birds singing clearly, i went to school in high spirits.
●巧妙地使用非谓语动词：可以将状语从句或并列的动词简化为非谓语动词。
hearing that, the driver’s wife quickly added that her husband often talked nonsense after drinking.(低级形式：when he heard that, ……)
●恰到好处的被动句：适合应用于较简短的句子，这样显得语言简洁生动，宾语一般是nothing、anything、everything等不定代词。
i searched all my pockets, but nothing was found.
●感叹句：通常用于开头结尾活跃文章气氛，凡是“i feel &h