Conjugación del verbo inglés
CAN PRETREAT

Verbo regular: pretreat - pretreated - pretreated

Afirmación

Forma simple	Forma con V-ing
I can pretreat you can pretreat she can pretreat we can pretreat you can pretreat they can pretreat	I can be pretreating you can be pretreating she can be pretreating we can be pretreating you can be pretreating they can be pretreating
Perfecto	Perfecto con V-ing
I can have pretreated you can have pretreated she can have pretreated we can have pretreated you can have pretreated they can have pretreated	I can have been pretreating you can have been pretreating she can have been pretreating we can have been pretreating you can have been pretreating they can have been pretreating

Negación

Forma simple	Forma con V-ing
I can't pretreat you can't pretreat she can't pretreat we can't pretreat you can't pretreat they can't pretreat	I can't be pretreating you can't be pretreating she can't be pretreating we can't be pretreating you can't be pretreating they can't be pretreating
Perfecto	Perfecto con V-ing
I can't have pretreated you can't have pretreated she can't have pretreated we can't have pretreated you can't have pretreated they can't have pretreated	I can't have been pretreating you can't have been pretreating she can't have been pretreating we can't have been pretreating you can't have been pretreating they can't have been pretreating

Forma interrogativa

Forma simple	Forma con V-ing
can I pretreat? can you pretreat? can she pretreat? can we pretreat? can you pretreat? can they pretreat?	can I be pretreating? can you be pretreating? can she be pretreating? can we be pretreating? can you be pretreating? can they be pretreating?
Perfecto	Perfecto con V-ing
can I have pretreated? can you have pretreated? can she have pretreated? can we have pretreated? can you have pretreated? can they have pretreated?	can I have been pretreating? can you have been pretreating? can she have been pretreating? can we have been pretreating? can you have been pretreating? can they have been pretreating?

Forma interro-negativa

Forma simple	Forma con V-ing
can't I pretreat? can't you pretreat? can't she pretreat? can't we pretreat? can't you pretreat? can't they pretreat?	can't I be pretreating? can't you be pretreating? can't she be pretreating? can't we be pretreating? can't you be pretreating? can't they be pretreating?
Perfecto	Perfecto con V-ing
can't I have pretreated? can't you have pretreated? can't she have pretreated? can't we have pretreated? can't you have pretreated? can't they have pretreated?	can't I have been pretreating? can't you have been pretreating? can't she have been pretreating? can't we have been pretreating? can't you have been pretreating? can't they have been pretreating?