学校前有一个大公园。

Xuéxiào qián yǒu yí gè dà gōngyuán.

There is a big park in front of the school.

请你到前面来。

Qǐng nǐ dào qiánmiàn lái.

Please come to the front.

吃饭前要洗手。

Chīfàn qián yào xǐshǒu.

You should wash your hands before eating.