English verb conjugation
CAN PERVADE

Regular verb: pervade - pervaded - pervaded

Affirmation

Simple form	V-ing form
I can pervade you can pervade he can pervade we can pervade you can pervade they can pervade	I can be pervading you can be pervading he can be pervading we can be pervading you can be pervading they can be pervading
Perfect	V-ing perfect
I can have pervaded you can have pervaded he can have pervaded we can have pervaded you can have pervaded they can have pervaded	I can have been pervading you can have been pervading he can have been pervading we can have been pervading you can have been pervading they can have been pervading

Negation

Simple form	V-ing form
I can't pervade you can't pervade he can't pervade we can't pervade you can't pervade they can't pervade	I can't be pervading you can't be pervading he can't be pervading we can't be pervading you can't be pervading they can't be pervading
Perfect	V-ing perfect
I can't have pervaded you can't have pervaded he can't have pervaded we can't have pervaded you can't have pervaded they can't have pervaded	I can't have been pervading you can't have been pervading he can't have been pervading we can't have been pervading you can't have been pervading they can't have been pervading

Interrogative form

Simple form	V-ing form
can I pervade? can you pervade? can he pervade? can we pervade? can you pervade? can they pervade?	can I be pervading? can you be pervading? can he be pervading? can we be pervading? can you be pervading? can they be pervading?
Perfect	V-ing perfect
can I have pervaded? can you have pervaded? can he have pervaded? can we have pervaded? can you have pervaded? can they have pervaded?	can I have been pervading? can you have been pervading? can he have been pervading? can we have been pervading? can you have been pervading? can they have been pervading?

Interro-negative form

Simple form	V-ing form
can't I pervade? can't you pervade? can't he pervade? can't we pervade? can't you pervade? can't they pervade?	can't I be pervading? can't you be pervading? can't he be pervading? can't we be pervading? can't you be pervading? can't they be pervading?
Perfect	V-ing perfect
can't I have pervaded? can't you have pervaded? can't he have pervaded? can't we have pervaded? can't you have pervaded? can't they have pervaded?	can't I have been pervading? can't you have been pervading? can't he have been pervading? can't we have been pervading? can't you have been pervading? can't they have been pervading?