may upheave
Verbo regular: upheave - upheaved- upheaved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may upheave
you may upheave
he may upheave
we may upheave
you may upheave
they may upheave 	I may be upheaving
you may be upheaving
he may be upheaving
we may be upheaving
you may be upheaving
they may be upheaving	I may have upheaved
you may have upheaved
he may have upheaved
we may have upheaved
you may have upheaved
they may have upheaved	I may have been upheaving
you may have been upheaving
he may have been upheaving
we may have been upheaving
you may have been upheaving
they may have been upheaving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't upheave
you mayn't upheave
he mayn't upheave
we mayn't upheave
you mayn't upheave
they mayn't upheave 	I mayn't be upheaving
you mayn't be upheaving
he mayn't be upheaving
we mayn't be upheaving
you mayn't be upheaving
they mayn't be upheaving	I mayn't have upheaved
you mayn't have upheaved
he mayn't have upheaved
we mayn't have upheaved
you mayn't have upheaved
they mayn't have upheaved	I mayn't have been upheaving
you mayn't have been upheaving
he mayn't have been upheaving
we mayn't have been upheaving
you mayn't have been upheaving
they mayn't have been upheaving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I upheave?
may you upheave?
may he upheave?
may we upheave?
may you upheave?
may they upheave? 	may I be upheaving?
may you be upheaving?
may he be upheaving?
may we be upheaving?
may you be upheaving?
may they be upheaving? 	may I have upheaved?
may you have upheaved?
may he have upheaved?
may we have upheaved?
may you have upheaved?
may they have upheaved? 	may I have been upheaving?
may you have been upheaving?
may he have been upheaving?
may we have been upheaving?
may you have been upheaving?
may they have been upheaving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I upheave?
mayn't you upheave?
mayn't he upheave?
mayn't we upheave?
mayn't you upheave?
mayn't they upheave? 	mayn't I be upheaving?
mayn't you be upheaving?
mayn't he be upheaving?
mayn't we be upheaving?
mayn't you be upheaving?
mayn't they be upheaving? 	mayn't I have upheaved?
mayn't you have upheaved?
mayn't he have upheaved?
mayn't we have upheaved?
mayn't you have upheaved?
mayn't they have upheaved? 	mayn't I have been upheaving?
mayn't you have been upheaving?
mayn't he have been upheaving?
mayn't we have been upheaving?
mayn't you have been upheaving?
mayn't they have been upheaving?