托福作文句型

表示过去一段时间的持续行为

For the past + 时间, S + 现在完成式……(过去……年来,……一直……)

例句: For the past two years, I have been busy preparing for the examination. 过去两年来,我一直忙着准备考试。

自某一时间点开始一直持续到现在

Since + S + 过去式, S + 现在完成式

例句: Since he went to senior high school, he has worked very hard. 自从他上高中,他一直很用功。

表达值得做某事

It pays to + V (……是值得的)

例句: It pays to help others. 帮助别人是值得的。

描述图表或漫画的内容

As the graph depicts, …