should 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 should tread
you should tread
he should tread
we should tread
you should tread
they should tread 	I should be treading
you should be treading
he should be treading
we should be treading
you should be treading
they should be treading	I should have trod, trodden
you should have trod, trodden
he should have trod, trodden
we should have trod, trodden
you should have trod, trodden
they should have trod, trodden	I should have been treading
you should have been treading
he should have been treading
we should have been treading
you should have been treading
they should have been treading	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not tread
you should not tread
he should not tread
we should not tread
you should not tread
they should not tread 	I should not be treading
you should not be treading
he should not be treading
we should not be treading
you should not be treading
they should not be treading	I should not have trod, trodden
you should not have trod, trodden
he should not have trod, trodden
we should not have trod, trodden
you should not have trod, trodden
they should not have trod, trodden	I should not have been treading
you should not have been treading
he should not have been treading
we should not have been treading
you should not have been treading
they should not have been treading	

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

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