can upswing
Irregular verb: upswing - upswung- upswung

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