must cull
Verbo regular: cull - culled- culled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must cull
you must cull
she must cull
we must cull
you must cull
they must cull 	I must be culling
you must be culling
she must be culling
we must be culling
you must be culling
they must be culling	I must have culled
you must have culled
she must have culled
we must have culled
you must have culled
they must have culled	I must have been culling
you must have been culling
she must have been culling
we must have been culling
you must have been culling
they must have been culling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not cull
you must not cull
she must not cull
we must not cull
you must not cull
they must not cull 	I must not be culling
you must not be culling
she must not be culling
we must not be culling
you must not be culling
they must not be culling	I must not have culled
you must not have culled
she must not have culled
we must not have culled
you must not have culled
they must not have culled	I must not have been culling
you must not have been culling
she must not have been culling
we must not have been culling
you must not have been culling
they must not have been culling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I cull?
must you cull?
must she cull?
must we cull?
must you cull?
must they cull? 	must I be culling?
must you be culling?
must she be culling?
must we be culling?
must you be culling?
must they be culling? 	must I have culled?
must you have culled?
must she have culled?
must we have culled?
must you have culled?
must they have culled? 	must I have been culling?
must you have been culling?
must she have been culling?
must we have been culling?
must you have been culling?
must they have been culling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not cull?
must you not cull?
must she not cull?
must we not cull?
must you not cull?
must they not cull? 	must I not be culling?
must you not be culling?
must she not be culling?
must we not be culling?
must you not be culling?
must they not be culling? 	must I not have culled?
must you not have culled?
must she not have culled?
must we not have culled?
must you not have culled?
must they not have culled? 	must I not have been culling?
must you not have been culling?
must she not have been culling?
must we not have been culling?
must you not have been culling?
must they not have been culling?