Whether and If

Mark asked	, “		Do	you	have	a fever	?”
		if	Remove “do” because it is a change from a QUESTION to a STATEMENT	Change PRONOUN	Change to PAST TENSE because of “asked”  is in PAST TENSE and “do/ does/is/ are/am” is used.
Mark asked				I	had	a fever	.	C
Mark asked			do	I	have	a fever	.	W
Mark asked			did	I	had	a fever	.	W

Mark asked	, “		Do	you	eat	sushi	?”
					PAST TENSE
Mark asked	, “		Does	she	jog		?”
					PAST TENSE
Mark asked	, “		Is	she		a teacher	?”
					PAST TENSE
Mark asked	, “		Are	they		busy	?”
					PAST TENSE
Mark asked	, “		Is	she	cooking		?”
					PAST TENSE
Mark asked	, “		Are	they	playing		?”
					PAST TENSE

Mum asked Jenny	, “		Did	you	have	lunch	?”
			Remove “did” because it is a change from a QUESTION to a STATEMENT.	Change PRONOUN	Change to PAST PERFECT TENSE because of “asked” is in PAST TENSE and “did/ was/ were”is used.
					had + verb (en)
Mum asked Jenny		If		she	had had	lunch	.	C
Mum asked Jenny		If	did	she	have	lunch	.	W
Mum asked Jenny		If		she	did have	lunch	.	W
Mum asked Jenny		if		she	had	lunch.	.	W

Mum asked Jenny	, “		Did	you	eat	sushi	?”
					PAST PREFECT TENSE
Mum asked Jenny	, “		Did	she	jog		?”
					PAST PREFECT TENSE
Mark asked	, “		Was	she		a teacher	?”
					PAST PREFECT TENSE
Mark Asked	, “		Were	they		busy	?”
					PAST PREFECT TENSE
Mark asked	, “		Was	she	cooking		?”
					PAST PREFECT TENSE
Mark asked	, “		Were	they	playing		?”
					PAST PREFECT TENSE