I can filtrate you can filtrate she can filtrate we can filtrate you can filtrate they can filtrate
V-ing form
I can be filtrating you can be filtrating she can be filtrating we can be filtrating you can be filtrating they can be filtrating
Perfect
I can have filtrated you can have filtrated she can have filtrated we can have filtrated you can have filtrated they can have filtrated
V-ing perfect
I can have been filtrating you can have been filtrating she can have been filtrating we can have been filtrating you can have been filtrating they can have been filtrating
Negation
Simple form
I cannot filtrate you cannot filtrate she cannot filtrate we cannot filtrate you cannot filtrate they cannot filtrate
V-ing form
I cannot be filtrating you cannot be filtrating she cannot be filtrating we cannot be filtrating you cannot be filtrating they cannot be filtrating
Perfect
I cannot have filtrated you cannot have filtrated she cannot have filtrated we cannot have filtrated you cannot have filtrated they cannot have filtrated
V-ing perfect
I cannot have been filtrating you cannot have been filtrating she cannot have been filtrating we cannot have been filtrating you cannot have been filtrating they cannot have been filtrating
Interrogative form
Simple form
can I filtrate? can you filtrate? can she filtrate? can we filtrate? can you filtrate? can they filtrate?
V-ing form
can I be filtrating? can you be filtrating? can she be filtrating? can we be filtrating? can you be filtrating? can they be filtrating?
Perfect
can I have filtrated? can you have filtrated? can she have filtrated? can we have filtrated? can you have filtrated? can they have filtrated?
V-ing perfect
can I have been filtrating? can you have been filtrating? can she have been filtrating? can we have been filtrating? can you have been filtrating? can they have been filtrating?
Interro-negative form
Simple form
can I not filtrate? can you not filtrate? can she not filtrate? can we not filtrate? can you not filtrate? can they not filtrate?
V-ing form
can I not be filtrating? can you not be filtrating? can she not be filtrating? can we not be filtrating? can you not be filtrating? can they not be filtrating?
Perfect
can I not have filtrated? can you not have filtrated? can she not have filtrated? can we not have filtrated? can you not have filtrated? can they not have filtrated?
V-ing perfect
can I not have been filtrating? can you not have been filtrating? can she not have been filtrating? can we not have been filtrating? can you not have been filtrating? can they not have been filtrating?