can tender
Regular verb: tender - tendered- tendered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tender
you can tender
she can tender
we can tender
you can tender
they can tender 	I can be tendering
you can be tendering
she can be tendering
we can be tendering
you can be tendering
they can be tendering	I can have tendered
you can have tendered
she can have tendered
we can have tendered
you can have tendered
they can have tendered	I can have been tendering
you can have been tendering
she can have been tendering
we can have been tendering
you can have been tendering
they can have been tendering	

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

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

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