English verb conjugation
CAN TENDER

Regular verb: tender - tendered - tendered

Affirmation

Simple form	V-ing form
I can tender you can tender he can tender we can tender you can tender they can tender	I can be tendering you can be tendering he can be tendering we can be tendering you can be tendering they can be tendering
Perfect	V-ing perfect
I can have tendered you can have tendered he 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 he 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
I cannot tender you cannot tender he cannot tender we cannot tender you cannot tender they cannot tender	I cannot be tendering you cannot be tendering he cannot be tendering we cannot be tendering you cannot be tendering they cannot be tendering
Perfect	V-ing perfect
I cannot have tendered you cannot have tendered he cannot have tendered we cannot have tendered you cannot have tendered they cannot have tendered	I cannot have been tendering you cannot have been tendering he cannot have been tendering we cannot have been tendering you cannot have been tendering they cannot have been tendering

Interrogative form

Simple form	V-ing form
can I tender? can you tender? can he tender? can we tender? can you tender? can they tender?	can I be tendering? can you be tendering? can he be tendering? can we be tendering? can you be tendering? can they be tendering?
Perfect	V-ing perfect
can I have tendered? can you have tendered? can he 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 he 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
can I not tender? can you not tender? can he not tender? can we not tender? can you not tender? can they not tender?	can I not be tendering? can you not be tendering? can he not be tendering? can we not be tendering? can you not be tendering? can they not be tendering?
Perfect	V-ing perfect
can I not have tendered? can you not have tendered? can he not have tendered? can we not have tendered? can you not have tendered? can they not have tendered?	can I not have been tendering? can you not have been tendering? can he not have been tendering? can we not have been tendering? can you not have been tendering? can they not have been tendering?