I can telescope you can telescope he can telescope we can telescope you can telescope they can telescope
V-ing form
I can be telescoping you can be telescoping he can be telescoping we can be telescoping you can be telescoping they can be telescoping
Perfect
I can have telescoped you can have telescoped he can have telescoped we can have telescoped you can have telescoped they can have telescoped
V-ing perfect
I can have been telescoping you can have been telescoping he can have been telescoping we can have been telescoping you can have been telescoping they can have been telescoping
Negation
Simple form
I cannot telescope you cannot telescope he cannot telescope we cannot telescope you cannot telescope they cannot telescope
V-ing form
I cannot be telescoping you cannot be telescoping he cannot be telescoping we cannot be telescoping you cannot be telescoping they cannot be telescoping
Perfect
I cannot have telescoped you cannot have telescoped he cannot have telescoped we cannot have telescoped you cannot have telescoped they cannot have telescoped
V-ing perfect
I cannot have been telescoping you cannot have been telescoping he cannot have been telescoping we cannot have been telescoping you cannot have been telescoping they cannot have been telescoping
Interrogative form
Simple form
can I telescope? can you telescope? can he telescope? can we telescope? can you telescope? can they telescope?
V-ing form
can I be telescoping? can you be telescoping? can he be telescoping? can we be telescoping? can you be telescoping? can they be telescoping?
Perfect
can I have telescoped? can you have telescoped? can he have telescoped? can we have telescoped? can you have telescoped? can they have telescoped?
V-ing perfect
can I have been telescoping? can you have been telescoping? can he have been telescoping? can we have been telescoping? can you have been telescoping? can they have been telescoping?
Interro-negative form
Simple form
can I not telescope? can you not telescope? can he not telescope? can we not telescope? can you not telescope? can they not telescope?
V-ing form
can I not be telescoping? can you not be telescoping? can he not be telescoping? can we not be telescoping? can you not be telescoping? can they not be telescoping?
Perfect
can I not have telescoped? can you not have telescoped? can he not have telescoped? can we not have telescoped? can you not have telescoped? can they not have telescoped?
V-ing perfect
can I not have been telescoping? can you not have been telescoping? can he not have been telescoping? can we not have been telescoping? can you not have been telescoping? can they not have been telescoping?