English verb conjugation
CAN TOLL

Regular verb: toll - tolled - tolled

Affirmation

Simple form	V-ing form
I can toll you can toll he can toll we can toll you can toll they can toll	I can be tolling you can be tolling he can be tolling we can be tolling you can be tolling they can be tolling
Perfect	V-ing perfect
I can have tolled you can have tolled he can have tolled we can have tolled you can have tolled they can have tolled	I can have been tolling you can have been tolling he can have been tolling we can have been tolling you can have been tolling they can have been tolling

Negation

Simple form	V-ing form
I can't toll you can't toll he can't toll we can't toll you can't toll they can't toll	I can't be tolling you can't be tolling he can't be tolling we can't be tolling you can't be tolling they can't be tolling
Perfect	V-ing perfect
I can't have tolled you can't have tolled he can't have tolled we can't have tolled you can't have tolled they can't have tolled	I can't have been tolling you can't have been tolling he can't have been tolling we can't have been tolling you can't have been tolling they can't have been tolling

Interrogative form

Simple form	V-ing form
can I toll? can you toll? can he toll? can we toll? can you toll? can they toll?	can I be tolling? can you be tolling? can he be tolling? can we be tolling? can you be tolling? can they be tolling?
Perfect	V-ing perfect
can I have tolled? can you have tolled? can he have tolled? can we have tolled? can you have tolled? can they have tolled?	can I have been tolling? can you have been tolling? can he have been tolling? can we have been tolling? can you have been tolling? can they have been tolling?

Interro-negative form

Simple form	V-ing form
can't I toll? can't you toll? can't he toll? can't we toll? can't you toll? can't they toll?	can't I be tolling? can't you be tolling? can't he be tolling? can't we be tolling? can't you be tolling? can't they be tolling?
Perfect	V-ing perfect
can't I have tolled? can't you have tolled? can't he have tolled? can't we have tolled? can't you have tolled? can't they have tolled?	can't I have been tolling? can't you have been tolling? can't he have been tolling? can't we have been tolling? can't you have been tolling? can't they have been tolling?