求初一人教版英语上册unit8重点语法,

When is your birthday?My birthday is on May 2nd.
When is his birthday?His birthday is on January17th.
When is her birthday?It's in August.
When is Alice's birthday?Her birthday is on September 5th.
When is your father's birthday?His birthday is on April 21st.
还有就是一些序数词