求reported speech用法

There are two ways of expressing speech;direct&indirect.
Whether tense change is required or not in the reported speech depends on the tense of the introductory verb.
No change needed when the introductory verb is in present tense.,not past tense.
Change the pronoun into third person in reported speech.
this---->that ; these---->those ; here---->there ; come---->go.
If or whether is used as connective in indirect questions when direct questions begin with auxiliary verbs.
The verb say is changed to ask,inquire,want to know, wonder, question,
More on Indirect questions:-When the direct question begins with an auxiliary verb like :-do,did,am,is,are,was, were,have, has, had, can,could, may, might, shall, will, should, would,etc.;if or whether is used as the connective in the reported speech
eg:-"Can you finish it today?" J.Spirit asked her.
-----J. Spirit asked her whether she could finish it on that day.
Practice makes Perfect.

Direct speech
Mother says, " I go shopping now"
Mother says, " we are going to picnic on Sunday"
Mother says " I am very happy"
Mother asked, " Are you joining me to picnic on Sunday?"
Mother asked, " Do you like the dress?"


Indirect Speech=reported speech

Mother said that she went shopping then.
Mother said that they were going to picnic on Sunday,
Mother said that she was very happy
Mother asked me if (whether) I am joining her to picnic on Sunday.
Moter asked me whether (if) I like the dress.

indirect speech = reported speech要注意什麼?
present tense changed to past tense - see examples above