could screen-test
Verbo regular: screen-test - screen-tested- screen-tested

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could screen-test
you could screen-test
he could screen-test
we could screen-test
you could screen-test
they could screen-test 	I could be screen-testing
you could be screen-testing
he could be screen-testing
we could be screen-testing
you could be screen-testing
they could be screen-testing	I could have screen-tested
you could have screen-tested
he could have screen-tested
we could have screen-tested
you could have screen-tested
they could have screen-tested	I could have been screen-testing
you could have been screen-testing
he could have been screen-testing
we could have been screen-testing
you could have been screen-testing
they could have been screen-testing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not screen-test
you could not screen-test
he could not screen-test
we could not screen-test
you could not screen-test
they could not screen-test 	I could not be screen-testing
you could not be screen-testing
he could not be screen-testing
we could not be screen-testing
you could not be screen-testing
they could not be screen-testing	I could not have screen-tested
you could not have screen-tested
he could not have screen-tested
we could not have screen-tested
you could not have screen-tested
they could not have screen-tested	I could not have been screen-testing
you could not have been screen-testing
he could not have been screen-testing
we could not have been screen-testing
you could not have been screen-testing
they could not have been screen-testing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I screen-test?
could you screen-test?
could he screen-test?
could we screen-test?
could you screen-test?
could they screen-test? 	could I be screen-testing?
could you be screen-testing?
could he be screen-testing?
could we be screen-testing?
could you be screen-testing?
could they be screen-testing? 	could I have screen-tested?
could you have screen-tested?
could he have screen-tested?
could we have screen-tested?
could you have screen-tested?
could they have screen-tested? 	could I have been screen-testing?
could you have been screen-testing?
could he have been screen-testing?
could we have been screen-testing?
could you have been screen-testing?
could they have been screen-testing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not screen-test?
could you not screen-test?
could he not screen-test?
could we not screen-test?
could you not screen-test?
could they not screen-test? 	could I not be screen-testing?
could you not be screen-testing?
could he not be screen-testing?
could we not be screen-testing?
could you not be screen-testing?
could they not be screen-testing? 	could I not have screen-tested?
could you not have screen-tested?
could he not have screen-tested?
could we not have screen-tested?
could you not have screen-tested?
could they not have screen-tested? 	could I not have been screen-testing?
could you not have been screen-testing?
could he not have been screen-testing?
could we not have been screen-testing?
could you not have been screen-testing?
could they not have been screen-testing?