must thatch
Verbe régulier : thatch - thatched- thatched
Traduction française : couvrir de chaume 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must thatch
you must thatch
she must thatch
we must thatch
you must thatch
they must thatch 	I must be thatching
you must be thatching
she must be thatching
we must be thatching
you must be thatching
they must be thatching	I must have thatched
you must have thatched
she must have thatched
we must have thatched
you must have thatched
they must have thatched	I must have been thatching
you must have been thatching
she must have been thatching
we must have been thatching
you must have been thatching
they must have been thatching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not thatch
you must not thatch
she must not thatch
we must not thatch
you must not thatch
they must not thatch 	I must not be thatching
you must not be thatching
she must not be thatching
we must not be thatching
you must not be thatching
they must not be thatching	I must not have thatched
you must not have thatched
she must not have thatched
we must not have thatched
you must not have thatched
they must not have thatched	I must not have been thatching
you must not have been thatching
she must not have been thatching
we must not have been thatching
you must not have been thatching
they must not have been thatching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I thatch?
must you thatch?
must she thatch?
must we thatch?
must you thatch?
must they thatch? 	must I be thatching?
must you be thatching?
must she be thatching?
must we be thatching?
must you be thatching?
must they be thatching? 	must I have thatched?
must you have thatched?
must she have thatched?
must we have thatched?
must you have thatched?
must they have thatched? 	must I have been thatching?
must you have been thatching?
must she have been thatching?
must we have been thatching?
must you have been thatching?
must they have been thatching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not thatch?
must you not thatch?
must she not thatch?
must we not thatch?
must you not thatch?
must they not thatch? 	must I not be thatching?
must you not be thatching?
must she not be thatching?
must we not be thatching?
must you not be thatching?
must they not be thatching? 	must I not have thatched?
must you not have thatched?
must she not have thatched?
must we not have thatched?
must you not have thatched?
must they not have thatched? 	must I not have been thatching?
must you not have been thatching?
must she not have been thatching?
must we not have been thatching?
must you not have been thatching?
must they not have been thatching?