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
he can pretest
we can pretest
you can pretest
they can pretest 	I can be pretesting
you can be pretesting
he can be pretesting
we can be pretesting
you can be pretesting
they can be pretesting	I can have pretested
you can have pretested
he 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
he 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 can't pretest
you can't pretest
he can't pretest
we can't pretest
you can't pretest
they can't pretest 	I can't be pretesting
you can't be pretesting
he can't be pretesting
we can't be pretesting
you can't be pretesting
they can't be pretesting	I can't have pretested
you can't have pretested
he can't have pretested
we can't have pretested
you can't have pretested
they can't have pretested	I can't have been pretesting
you can't have been pretesting
he can't have been pretesting
we can't have been pretesting
you can't have been pretesting
they can't have been pretesting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I pretest?
can you pretest?
can he pretest?
can we pretest?
can you pretest?
can they pretest? 	can I be pretesting?
can you be pretesting?
can he be pretesting?
can we be pretesting?
can you be pretesting?
can they be pretesting? 	can I have pretested?
can you have pretested?
can he 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 he 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't I pretest?
can't you pretest?
can't he pretest?
can't we pretest?
can't you pretest?
can't they pretest? 	can't I be pretesting?
can't you be pretesting?
can't he be pretesting?
can't we be pretesting?
can't you be pretesting?
can't they be pretesting? 	can't I have pretested?
can't you have pretested?
can't he have pretested?
can't we have pretested?
can't you have pretested?
can't they have pretested? 	can't I have been pretesting?
can't you have been pretesting?
can't he have been pretesting?
can't we have been pretesting?
can't you have been pretesting?
can't they have been pretesting?