should tender
Regular verb: tender - tendered- tendered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd tender
you'd tender
he'd tender
we'd tender
you'd tender
they'd tender 	I'd be tendering
you'd be tendering
he'd be tendering
we'd be tendering
you'd be tendering
they'd be tendering	I should've tendered
you should've tendered
he should've tendered
we should've tendered
you should've tendered
they should've tendered	I should've been tendering
you should've been tendering
he should've been tendering
we should've been tendering
you should've been tendering
they should've been tendering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't tender
you shouldn't tender
he shouldn't tender
we shouldn't tender
you shouldn't tender
they shouldn't tender 	I shouldn't be tendering
you shouldn't be tendering
he shouldn't be tendering
we shouldn't be tendering
you shouldn't be tendering
they shouldn't be tendering	I shouldn't have tendered
you shouldn't have tendered
he shouldn't have tendered
we shouldn't have tendered
you shouldn't have tendered
they shouldn't have tendered	I shouldn't have been tendering
you shouldn't have been tendering
he shouldn't have been tendering
we shouldn't have been tendering
you shouldn't have been tendering
they shouldn't have been tendering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I tender?
should you tender?
should he tender?
should we tender?
should you tender?
should they tender? 	should I be tendering?
should you be tendering?
should he be tendering?
should we be tendering?
should you be tendering?
should they be tendering? 	should I have tendered?
should you have tendered?
should he have tendered?
should we have tendered?
should you have tendered?
should they have tendered? 	should I have been tendering?
should you have been tendering?
should he have been tendering?
should we have been tendering?
should you have been tendering?
should they have been tendering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I tender?
shouldn't you tender?
shouldn't he tender?
shouldn't we tender?
shouldn't you tender?
shouldn't they tender? 	shouldn't I be tendering?
shouldn't you be tendering?
shouldn't he be tendering?
shouldn't we be tendering?
shouldn't you be tendering?
shouldn't they be tendering? 	shouldn't I have tendered?
shouldn't you have tendered?
shouldn't he have tendered?
shouldn't we have tendered?
shouldn't you have tendered?
shouldn't they have tendered? 	shouldn't I have been tendering?
shouldn't you have been tendering?
shouldn't he have been tendering?
shouldn't we have been tendering?
shouldn't you have been tendering?
shouldn't they have been tendering?