五年级下册英语第五单元的知识点包括：

-重点词汇：evening, tonight, tomorrow, birthday, party, buy, present, card, football, game

-重点句型：

-What are you doing today?

-I'm…ing.

-What's your father doing today?

-He's…ing.

-What are you doing at the weekend?

-I'm…ing.

-What are you doing on Monday?

-I'm…ing.

-语法：现在进行时的用法

-语音：字母组合 ea 在单词中的发音