把下列英语句子中的直接引语变成间接引语

把下列英语句子中的直接引语变成间接引语
Grandma said ,”Grandpa is feeling much better today.”
The landlord said,”I haven’t received this mouth’s rent yet.”
Aunty said ,“There was a big fire at the high school.”
Mr.and Mrs.Davis said,“We won’t be able to come to dinner this Saturday night.”