could ululate
Verbo regolare: ululate - ululated- ululated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could ululate
you could ululate
he could ululate
we could ululate
you could ululate
they could ululate 	I could be ululating
you could be ululating
he could be ululating
we could be ululating
you could be ululating
they could be ululating	I could have ululated
you could have ululated
he could have ululated
we could have ululated
you could have ululated
they could have ululated	I could have been ululating
you could have been ululating
he could have been ululating
we could have been ululating
you could have been ululating
they could have been ululating	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't ululate
you couldn't ululate
he couldn't ululate
we couldn't ululate
you couldn't ululate
they couldn't ululate 	I couldn't be ululating
you couldn't be ululating
he couldn't be ululating
we couldn't be ululating
you couldn't be ululating
they couldn't be ululating	I couldn't have ululated
you couldn't have ululated
he couldn't have ululated
we couldn't have ululated
you couldn't have ululated
they couldn't have ululated	I couldn't have been ululating
you couldn't have been ululating
he couldn't have been ululating
we couldn't have been ululating
you couldn't have been ululating
they couldn't have been ululating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I ululate?
could you ululate?
could he ululate?
could we ululate?
could you ululate?
could they ululate? 	could I be ululating?
could you be ululating?
could he be ululating?
could we be ululating?
could you be ululating?
could they be ululating? 	could I have ululated?
could you have ululated?
could he have ululated?
could we have ululated?
could you have ululated?
could they have ululated? 	could I have been ululating?
could you have been ululating?
could he have been ululating?
could we have been ululating?
could you have been ululating?
could they have been ululating? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I ululate?
couldn't you ululate?
couldn't he ululate?
couldn't we ululate?
couldn't you ululate?
couldn't they ululate? 	couldn't I be ululating?
couldn't you be ululating?
couldn't he be ululating?
couldn't we be ululating?
couldn't you be ululating?
couldn't they be ululating? 	couldn't I have ululated?
couldn't you have ululated?
couldn't he have ululated?
couldn't we have ululated?
couldn't you have ululated?
couldn't they have ululated? 	couldn't I have been ululating?
couldn't you have been ululating?
couldn't he have been ululating?
couldn't we have been ululating?
couldn't you have been ululating?
couldn't they have been ululating?