can uphold
Irregular verb: uphold - upheld- upheld

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can uphold
you can uphold
she can uphold
we can uphold
you can uphold
they can uphold 	I can be upholding
you can be upholding
she can be upholding
we can be upholding
you can be upholding
they can be upholding	I can have upheld
you can have upheld
she can have upheld
we can have upheld
you can have upheld
they can have upheld	I can have been upholding
you can have been upholding
she can have been upholding
we can have been upholding
you can have been upholding
they can have been upholding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot uphold
you cannot uphold
she cannot uphold
we cannot uphold
you cannot uphold
they cannot uphold 	I cannot be upholding
you cannot be upholding
she cannot be upholding
we cannot be upholding
you cannot be upholding
they cannot be upholding	I cannot have upheld
you cannot have upheld
she cannot have upheld
we cannot have upheld
you cannot have upheld
they cannot have upheld	I cannot have been upholding
you cannot have been upholding
she cannot have been upholding
we cannot have been upholding
you cannot have been upholding
they cannot have been upholding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I uphold?
can you uphold?
can she uphold?
can we uphold?
can you uphold?
can they uphold? 	can I be upholding?
can you be upholding?
can she be upholding?
can we be upholding?
can you be upholding?
can they be upholding? 	can I have upheld?
can you have upheld?
can she have upheld?
can we have upheld?
can you have upheld?
can they have upheld? 	can I have been upholding?
can you have been upholding?
can she have been upholding?
can we have been upholding?
can you have been upholding?
can they have been upholding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not uphold?
can you not uphold?
can she not uphold?
can we not uphold?
can you not uphold?
can they not uphold? 	can I not be upholding?
can you not be upholding?
can she not be upholding?
can we not be upholding?
can you not be upholding?
can they not be upholding? 	can I not have upheld?
can you not have upheld?
can she not have upheld?
can we not have upheld?
can you not have upheld?
can they not have upheld? 	can I not have been upholding?
can you not have been upholding?
can she not have been upholding?
can we not have been upholding?
can you not have been upholding?
can they not have been upholding?