can cost
Verbo irregolare: cost - cost- cost

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can cost
you can cost
she can cost
we can cost
you can cost
they can cost 	I can be costing
you can be costing
she can be costing
we can be costing
you can be costing
they can be costing	I can have cost
you can have cost
she can have cost
we can have cost
you can have cost
they can have cost	I can have been costing
you can have been costing
she can have been costing
we can have been costing
you can have been costing
they can have been costing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot cost
you cannot cost
she cannot cost
we cannot cost
you cannot cost
they cannot cost 	I cannot be costing
you cannot be costing
she cannot be costing
we cannot be costing
you cannot be costing
they cannot be costing	I cannot have cost
you cannot have cost
she cannot have cost
we cannot have cost
you cannot have cost
they cannot have cost	I cannot have been costing
you cannot have been costing
she cannot have been costing
we cannot have been costing
you cannot have been costing
they cannot have been costing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I cost?
can you cost?
can she cost?
can we cost?
can you cost?
can they cost? 	can I be costing?
can you be costing?
can she be costing?
can we be costing?
can you be costing?
can they be costing? 	can I have cost?
can you have cost?
can she have cost?
can we have cost?
can you have cost?
can they have cost? 	can I have been costing?
can you have been costing?
can she have been costing?
can we have been costing?
can you have been costing?
can they have been costing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not cost?
can you not cost?
can she not cost?
can we not cost?
can you not cost?
can they not cost? 	can I not be costing?
can you not be costing?
can she not be costing?
can we not be costing?
can you not be costing?
can they not be costing? 	can I not have cost?
can you not have cost?
can she not have cost?
can we not have cost?
can you not have cost?
can they not have cost? 	can I not have been costing?
can you not have been costing?
can she not have been costing?
can we not have been costing?
can you not have been costing?
can they not have been costing?