can strive
Verbo irregular: strive - strived- striven

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can strive
you can strive
she can strive
we can strive
you can strive
they can strive 	I can be striving
you can be striving
she can be striving
we can be striving
you can be striving
they can be striving	I can have striven
you can have striven
she can have striven
we can have striven
you can have striven
they can have striven	I can have been striving
you can have been striving
she can have been striving
we can have been striving
you can have been striving
they can have been striving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot strive
you cannot strive
she cannot strive
we cannot strive
you cannot strive
they cannot strive 	I cannot be striving
you cannot be striving
she cannot be striving
we cannot be striving
you cannot be striving
they cannot be striving	I cannot have striven
you cannot have striven
she cannot have striven
we cannot have striven
you cannot have striven
they cannot have striven	I cannot have been striving
you cannot have been striving
she cannot have been striving
we cannot have been striving
you cannot have been striving
they cannot have been striving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I strive?
can you strive?
can she strive?
can we strive?
can you strive?
can they strive? 	can I be striving?
can you be striving?
can she be striving?
can we be striving?
can you be striving?
can they be striving? 	can I have striven?
can you have striven?
can she have striven?
can we have striven?
can you have striven?
can they have striven? 	can I have been striving?
can you have been striving?
can she have been striving?
can we have been striving?
can you have been striving?
can they have been striving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not strive?
can you not strive?
can she not strive?
can we not strive?
can you not strive?
can they not strive? 	can I not be striving?
can you not be striving?
can she not be striving?
can we not be striving?
can you not be striving?
can they not be striving? 	can I not have striven?
can you not have striven?
can she not have striven?
can we not have striven?
can you not have striven?
can they not have striven? 	can I not have been striving?
can you not have been striving?
can she not have been striving?
can we not have been striving?
can you not have been striving?
can they not have been striving?