English verb conjugation
CAN UPSWING

Irregular verb: upswing - upswung - upswung

Affirmation

Simple form	V-ing form
I can upswing you can upswing she can upswing we can upswing you can upswing they can upswing	I can be upswinging you can be upswinging she can be upswinging we can be upswinging you can be upswinging they can be upswinging
Perfect	V-ing perfect
I can have upswung you can have upswung she can have upswung we can have upswung you can have upswung they can have upswung	I can have been upswinging you can have been upswinging she can have been upswinging we can have been upswinging you can have been upswinging they can have been upswinging

Negation

Simple form	V-ing form
I can't upswing you can't upswing she can't upswing we can't upswing you can't upswing they can't upswing	I can't be upswinging you can't be upswinging she can't be upswinging we can't be upswinging you can't be upswinging they can't be upswinging
Perfect	V-ing perfect
I can't have upswung you can't have upswung she can't have upswung we can't have upswung you can't have upswung they can't have upswung	I can't have been upswinging you can't have been upswinging she can't have been upswinging we can't have been upswinging you can't have been upswinging they can't have been upswinging

Interrogative form

Simple form	V-ing form
can I upswing? can you upswing? can she upswing? can we upswing? can you upswing? can they upswing?	can I be upswinging? can you be upswinging? can she be upswinging? can we be upswinging? can you be upswinging? can they be upswinging?
Perfect	V-ing perfect
can I have upswung? can you have upswung? can she have upswung? can we have upswung? can you have upswung? can they have upswung?	can I have been upswinging? can you have been upswinging? can she have been upswinging? can we have been upswinging? can you have been upswinging? can they have been upswinging?

Interro-negative form

Simple form	V-ing form
can't I upswing? can't you upswing? can't she upswing? can't we upswing? can't you upswing? can't they upswing?	can't I be upswinging? can't you be upswinging? can't she be upswinging? can't we be upswinging? can't you be upswinging? can't they be upswinging?
Perfect	V-ing perfect
can't I have upswung? can't you have upswung? can't she have upswung? can't we have upswung? can't you have upswung? can't they have upswung?	can't I have been upswinging? can't you have been upswinging? can't she have been upswinging? can't we have been upswinging? can't you have been upswinging? can't they have been upswinging?