must harrow
Verbe régulier : harrow - harrowed- harrowed
Traduction française : labourer à la herse - torturer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must harrow
you must harrow
he must harrow
we must harrow
you must harrow
they must harrow 	I must be harrowing
you must be harrowing
he must be harrowing
we must be harrowing
you must be harrowing
they must be harrowing	I must have harrowed
you must have harrowed
he must have harrowed
we must have harrowed
you must have harrowed
they must have harrowed	I must have been harrowing
you must have been harrowing
he must have been harrowing
we must have been harrowing
you must have been harrowing
they must have been harrowing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not harrow
you must not harrow
he must not harrow
we must not harrow
you must not harrow
they must not harrow 	I must not be harrowing
you must not be harrowing
he must not be harrowing
we must not be harrowing
you must not be harrowing
they must not be harrowing	I must not have harrowed
you must not have harrowed
he must not have harrowed
we must not have harrowed
you must not have harrowed
they must not have harrowed	I must not have been harrowing
you must not have been harrowing
he must not have been harrowing
we must not have been harrowing
you must not have been harrowing
they must not have been harrowing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I harrow?
must you harrow?
must he harrow?
must we harrow?
must you harrow?
must they harrow? 	must I be harrowing?
must you be harrowing?
must he be harrowing?
must we be harrowing?
must you be harrowing?
must they be harrowing? 	must I have harrowed?
must you have harrowed?
must he have harrowed?
must we have harrowed?
must you have harrowed?
must they have harrowed? 	must I have been harrowing?
must you have been harrowing?
must he have been harrowing?
must we have been harrowing?
must you have been harrowing?
must they have been harrowing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not harrow?
must you not harrow?
must he not harrow?
must we not harrow?
must you not harrow?
must they not harrow? 	must I not be harrowing?
must you not be harrowing?
must he not be harrowing?
must we not be harrowing?
must you not be harrowing?
must they not be harrowing? 	must I not have harrowed?
must you not have harrowed?
must he not have harrowed?
must we not have harrowed?
must you not have harrowed?
must they not have harrowed? 	must I not have been harrowing?
must you not have been harrowing?
must he not have been harrowing?
must we not have been harrowing?
must you not have been harrowing?
must they not have been harrowing?