ought to tread
Verbe irrégulier : tread - trod- trod, trodden
Traduction française : fouler aux pieds 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to tread
you ought to tread
she ought to tread
we ought to tread
you ought to tread
they ought to tread 	I ought to be treading
you ought to be treading
she ought to be treading
we ought to be treading
you ought to be treading
they ought to be treading	I ought to have trod, trodden
you ought to have trod, trodden
she ought to have trod, trodden
we ought to have trod, trodden
you ought to have trod, trodden
they ought to have trod, trodden	I ought to have been treading
you ought to have been treading
she ought to have been treading
we ought to have been treading
you ought to have been treading
they ought to have been treading	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought not to tread
you ought not to tread
she ought not to tread
we ought not to tread
you ought not to tread
they ought not to tread 	I ought not to treading
you ought not to treading
she ought not to treading
we ought not to treading
you ought not to treading
they ought not to treading	I ought not to have trod, trodden
you ought not to have trod, trodden
she ought not to have trod, trodden
we ought not to have trod, trodden
you ought not to have trod, trodden
they ought not to have trod, trodden	I ought not to have been treading
you ought not to have been treading
she ought not to have been treading
we ought not to have been treading
you ought not to have been treading
they ought not to have been treading	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I tread?
ought to you tread?
ought to she tread?
ought to we tread?
ought to you tread?
ought to they tread? 	ought to I be treading?
ought to you be treading?
ought to she be treading?
ought to we be treading?
ought to you be treading?
ought to they be treading? 	ought to I have trod, trodden?
ought to you have trod, trodden?
ought to she have trod, trodden?
ought to we have trod, trodden?
ought to you have trod, trodden?
ought to they have trod, trodden? 	ought to I have been treading?
ought to you have been treading?
ought to she have been treading?
ought to we have been treading?
ought to you have been treading?
ought to they have been treading? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought I not to tread?
ought you not to tread?
ought she not to tread?
ought we not to tread?
ought you not to tread?
ought they not to tread? 	ought I not to be treading?
ought you not to be treading?
ought she not to be treading?
ought we not to be treading?
ought you not to be treading?
ought they not to be treading? 	ought I not to have trod, trodden?
ought you not to have trod, trodden?
ought she not to have trod, trodden?
ought we not to have trod, trodden?
ought you not to have trod, trodden?
ought they not to have trod, trodden? 	ought I not to have been treading?
ought you not to have been treading?
ought she not to have been treading?
ought we not to have been treading?
ought you not to have been treading?
ought they not to have been treading?