on saturday evening是什么時(shí)態(tài)

　　The Student Union is going to hold a party on Saturday evening.

　　學(xué)生會(huì)計(jì)劃在星期六晚上舉辦晚會(huì)。

　　I often write home on Saturday evening.

　　星期六晚上我常常寫家信。

　　You're right. we've decided to hold it on Saturday evening.

　　對(duì)，我們已決定于周六晚舉行。

　　I will have a date with a beauty on Saturday evening!

　　星期六晚上，我和一美女約會(huì)！

　　I'd like to book two seats for Swan Lake on Saturday evening.

　　我想買兩張星期六晚上《天鵝湖》的票了。