MODAL         MUST	Pp+ must + Sf verb	pp+  must not +   sf verb		Must + pp + sf verb		MODAL SHOULD	Pp +should + sf verb	Pp +should +  not + sf verb	should +  pp +  sf verb
PP	POSITIVE        +	NEGATIVE        -		INTERROGATIVE  ?		PP	POSITIVE     +	NEGATIVE      -	INTERROGATIVE  ?
EXAMPLE	I must take exam	I musn´t take exam		Must I take exam?		EXAMPLE	I should study harder	You shouldn´t copy	Should I go?
I	i must take a shower	i musn't take a shower		must i take a shower?		I	i should take a shower	i shouldn't take a shower	should i take a showe?
YOU	you must do homework	i musn't do homework		must i do homework?		YOU	you should do homework	i shoudn't homework	should you do homework
HE	he must sweep	he musn't sweep		must he sweep?		HE	he should sweep	he shouldn't sweep	should he sweep?
SHE	she must go to the party	she musn't go to the party		must she go to the party?		SHE	she should go to the party	she shouldn't go to the party	should she go to the party?
IT	it must feed your pet	it musn't feed your pet		must it feed your pet?		IT	it should feed your pet	it shouldn't feed your pet	should it feed your pet?
WE	we must clean the car	we musn't clean the car		must we clean the car?		WE	we should clean the car	we shouldn't clean the car	should we clean the car'
YOU	you must cook the food	you musn't cook the food		must you cook the food?		YOU	you should cook the food	you shouldn't cook the food	should you cook the food?
THEY	they must plan of life	they musn't plan of life		must they plan of life?		THEY	they should plan of life	they shouldn't plan of life	should they plan on life?
I	i must watch tv	i musn't watch tv		must i watch tv?		I	i should watch tv	i shouldn't tv	should i watch tv?
YOU	you must close FB	you musn't close FB		must you close FB?		YOU	you should close fb	you shouldn't close fb	should you close fb?
HE	he must finish the game	he musn't finish the game		must he finish the game?		HE	he should finish the game	he shouldn't finish the game	should he finish the game?
SHE	he must ride horse	he musn't ride horse		must he ride horse?		SHE	she should ride horse	she shouldn't ride horse	should she ride horse?
IT	it must take a shower	it musn't take a shower		must it take a shower?		IT	it should take a shower	it shouldn't take a shower	should it take a shower?
WE	we must clean the word	we musn't clean the word		must we clean the word?		WE	we should clean the word	we shouldn't clean the word	should we clean the word?
YOU	you must fill a form	you musn't fill a form		must you fill a form?		YOU	you should filli a form	you shouldn't fill a form	should you fill a a form?
THEY	they must swim	they musn't swim		must they swim?		THEY	they should swim	they shouldn't swim	they should swim?
I	i must run		i musn't run		must i run?	I	i should run	i shouldn't run	should i run?
YOU	you must sleep		you musn't sleep		must you sleep?	YOU	you should sleep	you shouldn't sleep	should you sleep?
HE
SHE	she must read		she musnt read		must she read?	SHE	she should read	she shouldn't read	should she read?
IT	it must walk		it musn't walk		must it walk?	IT	it should walk	it shouldn't walk	should it walk?
WE	we must listen		we musn't listen		must we listen?	WE	we should listen	we shouldn't listen	should we listen?
YOU	you must cook		you musn't cook		must you cook?	YOU	you should cook	you shouldn't cook	should you cook?
THEY	they must play		they musn't play		must they play?	THEY	they should play	they shouldn't play	should they play
I	i must drink vodka		i musn't drink vodka		must i drink vodka?	I	i should drink vodka	i shouldn't drink vodka	should i drink vodka?
YOU	you must sell fruts		you musn't sell fruits		must you sell fruits?	YOU	you should sell fruts	you shouldn't sell fruits	should you sell fruits?
HE	he must color his room		he musn't color his room		must he color his room?	HE	he should color his room	he shouldn't color his room	should he color his room?
SHE	she must listen music		she musn't listen music		must she listen music?	SHE	she should listen music	she shouldn't listen music	should she listen music?
IT	it must surfing in the web		it musn't surfing in the web		must i surfing in the web?	IT	it should surfing in the web	it shouldn't surfing in the web	should it surfing in the web?
WE	we must folded clothes		we musn't folded clothes		must we folded clothes?	WE	we should folded clothes	we shouldn't folded clothes	should we folded clothes?
YOU	you must sleep		you musn't sleep		must you sleep?	YOU	you should sleep	you shouldn't sleep	should you sleep?
THEY	they must finish the homework		they musn't finish the homework		must they finish the homework?	THEY	they should finish the homework	they shouldn't finish the homework	should they finish the homework?