English verb conjugation
CAN TAPER

Regular verb: taper - tapered - tapered

Affirmation

Simple form	V-ing form
I can taper you can taper she can taper we can taper you can taper they can taper	I can be tapering you can be tapering she can be tapering we can be tapering you can be tapering they can be tapering
Perfect	V-ing perfect
I can have tapered you can have tapered she can have tapered we can have tapered you can have tapered they can have tapered	I can have been tapering you can have been tapering she can have been tapering we can have been tapering you can have been tapering they can have been tapering

Negation

Simple form	V-ing form
I can't taper you can't taper she can't taper we can't taper you can't taper they can't taper	I can't be tapering you can't be tapering she can't be tapering we can't be tapering you can't be tapering they can't be tapering
Perfect	V-ing perfect
I can't have tapered you can't have tapered she can't have tapered we can't have tapered you can't have tapered they can't have tapered	I can't have been tapering you can't have been tapering she can't have been tapering we can't have been tapering you can't have been tapering they can't have been tapering

Interrogative form

Simple form	V-ing form
can I taper? can you taper? can she taper? can we taper? can you taper? can they taper?	can I be tapering? can you be tapering? can she be tapering? can we be tapering? can you be tapering? can they be tapering?
Perfect	V-ing perfect
can I have tapered? can you have tapered? can she have tapered? can we have tapered? can you have tapered? can they have tapered?	can I have been tapering? can you have been tapering? can she have been tapering? can we have been tapering? can you have been tapering? can they have been tapering?

Interro-negative form

Simple form	V-ing form
can't I taper? can't you taper? can't she taper? can't we taper? can't you taper? can't they taper?	can't I be tapering? can't you be tapering? can't she be tapering? can't we be tapering? can't you be tapering? can't they be tapering?
Perfect	V-ing perfect
can't I have tapered? can't you have tapered? can't she have tapered? can't we have tapered? can't you have tapered? can't they have tapered?	can't I have been tapering? can't you have been tapering? can't she have been tapering? can't we have been tapering? can't you have been tapering? can't they have been tapering?