在英语学习中,表达“某人花时间做某事”有两种常见句型。它们意思相近,但在结构和用法上略有不同。
It takes sb. time to do sth.
Sb. spends some time (in) doing sth.
原句: It takes me 30 minutes to walk to school.
等价句: I spend 30 minutes (in) walking to school.
原句: It took her two hours to finish the report.
等价句: She spent two hours (in) finishing the report.
it 是形式主语,不能省略。