can precalculate
Verbo regular: precalculate - precalculated- precalculated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can precalculate
you can precalculate
he can precalculate
we can precalculate
you can precalculate
they can precalculate 	I can be precalculating
you can be precalculating
he can be precalculating
we can be precalculating
you can be precalculating
they can be precalculating	I can have precalculated
you can have precalculated
he can have precalculated
we can have precalculated
you can have precalculated
they can have precalculated	I can have been precalculating
you can have been precalculating
he can have been precalculating
we can have been precalculating
you can have been precalculating
they can have been precalculating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot precalculate
you cannot precalculate
he cannot precalculate
we cannot precalculate
you cannot precalculate
they cannot precalculate 	I cannot be precalculating
you cannot be precalculating
he cannot be precalculating
we cannot be precalculating
you cannot be precalculating
they cannot be precalculating	I cannot have precalculated
you cannot have precalculated
he cannot have precalculated
we cannot have precalculated
you cannot have precalculated
they cannot have precalculated	I cannot have been precalculating
you cannot have been precalculating
he cannot have been precalculating
we cannot have been precalculating
you cannot have been precalculating
they cannot have been precalculating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I precalculate?
can you precalculate?
can he precalculate?
can we precalculate?
can you precalculate?
can they precalculate? 	can I be precalculating?
can you be precalculating?
can he be precalculating?
can we be precalculating?
can you be precalculating?
can they be precalculating? 	can I have precalculated?
can you have precalculated?
can he have precalculated?
can we have precalculated?
can you have precalculated?
can they have precalculated? 	can I have been precalculating?
can you have been precalculating?
can he have been precalculating?
can we have been precalculating?
can you have been precalculating?
can they have been precalculating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not precalculate?
can you not precalculate?
can he not precalculate?
can we not precalculate?
can you not precalculate?
can they not precalculate? 	can I not be precalculating?
can you not be precalculating?
can he not be precalculating?
can we not be precalculating?
can you not be precalculating?
can they not be precalculating? 	can I not have precalculated?
can you not have precalculated?
can he not have precalculated?
can we not have precalculated?
can you not have precalculated?
can they not have precalculated? 	can I not have been precalculating?
can you not have been precalculating?
can he not have been precalculating?
can we not have been precalculating?
can you not have been precalculating?
can they not have been precalculating?