should countercheck
Verbe régulier : countercheck - counterchecked- counterchecked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd countercheck
you'd countercheck
he'd countercheck
we'd countercheck
you'd countercheck
they'd countercheck 	I'd be counterchecking
you'd be counterchecking
he'd be counterchecking
we'd be counterchecking
you'd be counterchecking
they'd be counterchecking	I should've counterchecked
you should've counterchecked
he should've counterchecked
we should've counterchecked
you should've counterchecked
they should've counterchecked	I should've been counterchecking
you should've been counterchecking
he should've been counterchecking
we should've been counterchecking
you should've been counterchecking
they should've been counterchecking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't countercheck
you shouldn't countercheck
he shouldn't countercheck
we shouldn't countercheck
you shouldn't countercheck
they shouldn't countercheck 	I shouldn't be counterchecking
you shouldn't be counterchecking
he shouldn't be counterchecking
we shouldn't be counterchecking
you shouldn't be counterchecking
they shouldn't be counterchecking	I shouldn't have counterchecked
you shouldn't have counterchecked
he shouldn't have counterchecked
we shouldn't have counterchecked
you shouldn't have counterchecked
they shouldn't have counterchecked	I shouldn't have been counterchecking
you shouldn't have been counterchecking
he shouldn't have been counterchecking
we shouldn't have been counterchecking
you shouldn't have been counterchecking
they shouldn't have been counterchecking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I countercheck?
should you countercheck?
should he countercheck?
should we countercheck?
should you countercheck?
should they countercheck? 	should I be counterchecking?
should you be counterchecking?
should he be counterchecking?
should we be counterchecking?
should you be counterchecking?
should they be counterchecking? 	should I have counterchecked?
should you have counterchecked?
should he have counterchecked?
should we have counterchecked?
should you have counterchecked?
should they have counterchecked? 	should I have been counterchecking?
should you have been counterchecking?
should he have been counterchecking?
should we have been counterchecking?
should you have been counterchecking?
should they have been counterchecking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I countercheck?
shouldn't you countercheck?
shouldn't he countercheck?
shouldn't we countercheck?
shouldn't you countercheck?
shouldn't they countercheck? 	shouldn't I be counterchecking?
shouldn't you be counterchecking?
shouldn't he be counterchecking?
shouldn't we be counterchecking?
shouldn't you be counterchecking?
shouldn't they be counterchecking? 	shouldn't I have counterchecked?
shouldn't you have counterchecked?
shouldn't he have counterchecked?
shouldn't we have counterchecked?
shouldn't you have counterchecked?
shouldn't they have counterchecked? 	shouldn't I have been counterchecking?
shouldn't you have been counterchecking?
shouldn't he have been counterchecking?
shouldn't we have been counterchecking?
shouldn't you have been counterchecking?
shouldn't they have been counterchecking?