English verb conjugation
CAN UPSWING

Irregular verb: upswing - upswung - upswung

Affirmation

Simple form	V-ing form
I can upswing you can upswing he can upswing we can upswing you can upswing they can upswing	I can be upswinging you can be upswinging he 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 he 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 he 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 cannot upswing you cannot upswing he cannot upswing we cannot upswing you cannot upswing they cannot upswing	I cannot be upswinging you cannot be upswinging he cannot be upswinging we cannot be upswinging you cannot be upswinging they cannot be upswinging
Perfect	V-ing perfect
I cannot have upswung you cannot have upswung he cannot have upswung we cannot have upswung you cannot have upswung they cannot have upswung	I cannot have been upswinging you cannot have been upswinging he cannot have been upswinging we cannot have been upswinging you cannot have been upswinging they cannot have been upswinging

Interrogative form

Simple form	V-ing form
can I upswing? can you upswing? can he upswing? can we upswing? can you upswing? can they upswing?	can I be upswinging? can you be upswinging? can he 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 he 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 he 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 I not upswing? can you not upswing? can he not upswing? can we not upswing? can you not upswing? can they not upswing?	can I not be upswinging? can you not be upswinging? can he not be upswinging? can we not be upswinging? can you not be upswinging? can they not be upswinging?
Perfect	V-ing perfect
can I not have upswung? can you not have upswung? can he not have upswung? can we not have upswung? can you not have upswung? can they not have upswung?	can I not have been upswinging? can you not have been upswinging? can he not have been upswinging? can we not have been upswinging? can you not have been upswinging? can they not have been upswinging?