must hook
Regular verb: hook - hooked- hooked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must hook
you must hook
she must hook
we must hook
you must hook
they must hook 	I must be hooking
you must be hooking
she must be hooking
we must be hooking
you must be hooking
they must be hooking	I must have hooked
you must have hooked
she must have hooked
we must have hooked
you must have hooked
they must have hooked	I must have been hooking
you must have been hooking
she must have been hooking
we must have been hooking
you must have been hooking
they must have been hooking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't hook
you mustn't hook
she mustn't hook
we mustn't hook
you mustn't hook
they mustn't hook 	I mustn't be hooking
you mustn't be hooking
she mustn't be hooking
we mustn't be hooking
you mustn't be hooking
they mustn't be hooking	I mustn't have hooked
you mustn't have hooked
she mustn't have hooked
we mustn't have hooked
you mustn't have hooked
they mustn't have hooked	I mustn't have been hooking
you mustn't have been hooking
she mustn't have been hooking
we mustn't have been hooking
you mustn't have been hooking
they mustn't have been hooking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I hook?
must you hook?
must she hook?
must we hook?
must you hook?
must they hook? 	must I be hooking?
must you be hooking?
must she be hooking?
must we be hooking?
must you be hooking?
must they be hooking? 	must I have hooked?
must you have hooked?
must she have hooked?
must we have hooked?
must you have hooked?
must they have hooked? 	must I have been hooking?
must you have been hooking?
must she have been hooking?
must we have been hooking?
must you have been hooking?
must they have been hooking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I hook?
mustn't you hook?
mustn't she hook?
mustn't we hook?
mustn't you hook?
mustn't they hook? 	mustn't I be hooking?
mustn't you be hooking?
mustn't she be hooking?
mustn't we be hooking?
mustn't you be hooking?
mustn't they be hooking? 	mustn't I have hooked?
mustn't you have hooked?
mustn't she have hooked?
mustn't we have hooked?
mustn't you have hooked?
mustn't they have hooked? 	mustn't I have been hooking?
mustn't you have been hooking?
mustn't she have been hooking?
mustn't we have been hooking?
mustn't you have been hooking?
mustn't they have been hooking?