can pretest
Verbo regular: pretest - pretested- pretested

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can pretest
you can pretest
she can pretest
we can pretest
you can pretest
they can pretest 	I can be pretesting
you can be pretesting
she can be pretesting
we can be pretesting
you can be pretesting
they can be pretesting	I can have pretested
you can have pretested
she can have pretested
we can have pretested
you can have pretested
they can have pretested	I can have been pretesting
you can have been pretesting
she can have been pretesting
we can have been pretesting
you can have been pretesting
they can have been pretesting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot pretest
you cannot pretest
she cannot pretest
we cannot pretest
you cannot pretest
they cannot pretest 	I cannot be pretesting
you cannot be pretesting
she cannot be pretesting
we cannot be pretesting
you cannot be pretesting
they cannot be pretesting	I cannot have pretested
you cannot have pretested
she cannot have pretested
we cannot have pretested
you cannot have pretested
they cannot have pretested	I cannot have been pretesting
you cannot have been pretesting
she cannot have been pretesting
we cannot have been pretesting
you cannot have been pretesting
they cannot have been pretesting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I pretest?
can you pretest?
can she pretest?
can we pretest?
can you pretest?
can they pretest? 	can I be pretesting?
can you be pretesting?
can she be pretesting?
can we be pretesting?
can you be pretesting?
can they be pretesting? 	can I have pretested?
can you have pretested?
can she have pretested?
can we have pretested?
can you have pretested?
can they have pretested? 	can I have been pretesting?
can you have been pretesting?
can she have been pretesting?
can we have been pretesting?
can you have been pretesting?
can they have been pretesting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not pretest?
can you not pretest?
can she not pretest?
can we not pretest?
can you not pretest?
can they not pretest? 	can I not be pretesting?
can you not be pretesting?
can she not be pretesting?
can we not be pretesting?
can you not be pretesting?
can they not be pretesting? 	can I not have pretested?
can you not have pretested?
can she not have pretested?
can we not have pretested?
can you not have pretested?
can they not have pretested? 	can I not have been pretesting?
can you not have been pretesting?
can she not have been pretesting?
can we not have been pretesting?
can you not have been pretesting?
can they not have been pretesting?