英語四級的考試不同於以往的英語考試，在作文的寫作中，一定要運用上一些比較高階或者比較複雜的句子，才能拿到較高的分數。下面，我們來看看如何寫出高階複雜的英語四級作文句子。
(1) 改變時態
the bell is ringing now. (一般)
there goes the bell! (高階)
(2) 改變語態
people suggest that the conference be put off. (一般)
it is suggested that the conference be put off. (高階)
(3) 使用不定式
he is so kind that he can help me. (一般)
he is so kind as to help me. (高階)
(4) 使用過去分詞
she walked out of the lab and many students followed her. (一般)
followed by many students, she walked out of the lab. (高階)
(5) 使用v-ing 形式
when he arrives, please give me an e-mail. (一般)
on his arriving, please give me an e-mail. (高階)
(6) 使用名詞性從句
i happened to have met him. (一般)
it happened that i had met him. (高階)
(7) 使用定語從句
the girl is spoken highly of. her composition was well written. (一般)
the girl whose composition was well written is spoken highly of. (高階)
(8) 使用狀語從句
i won’t believe what he says. (一般)
no matter what he says, i won’t believe. (高階)
(9) 使用虛擬語氣
the ship didn’t sink with all on board because there were the efforts of the captain. (一般)
but for the efforts of the captain, the ship would have sunk with all on board. (高階)
(10) 使用強調句型
regular radio broadcasts began in 1920. (一般)
it was not until 1920 that regular radio broadcasts began. (高階)
(11) 使用倒裝
though i‘m weak, i’ll make the effort. (一般)
weak as i am, i‘ll make the effort. (高階)
(12) 使用並列句
if you go through the gate, you‘ll find the entrance to bear country. (一般)
go through the gate, and you‘ll find the entrance to bear country. (高階)
最後，讓我們看看高階詞彙。詞彙能體現你知識貯存量的多寡，也是衡量英語水平的一個重要標誌。
as a result, the plan was a failure. (一般)
the plan turned out to be a failure. (高階)
because the weather was good, our journey was comfortable. (一般)
thanks to the good weather, our journey was comfortable. (高階)
when she heard he had died, she went pale with sorrow. (一般)
at the news of his death, she went pale with sorrow. (高階)
