English verb conjugation
CAN ULULATE

Regular verb: ululate - ululated - ululated

Affirmation

Simple form	V-ing form
I can ululate you can ululate she can ululate we can ululate you can ululate they can ululate	I can be ululating you can be ululating she can be ululating we can be ululating you can be ululating they can be ululating
Perfect	V-ing perfect
I can have ululated you can have ululated she can have ululated we can have ululated you can have ululated they can have ululated	I can have been ululating you can have been ululating she can have been ululating we can have been ululating you can have been ululating they can have been ululating

Negation

Simple form	V-ing form
I can't ululate you can't ululate she can't ululate we can't ululate you can't ululate they can't ululate	I can't be ululating you can't be ululating she can't be ululating we can't be ululating you can't be ululating they can't be ululating
Perfect	V-ing perfect
I can't have ululated you can't have ululated she can't have ululated we can't have ululated you can't have ululated they can't have ululated	I can't have been ululating you can't have been ululating she can't have been ululating we can't have been ululating you can't have been ululating they can't have been ululating

Interrogative form

Simple form	V-ing form
can I ululate? can you ululate? can she ululate? can we ululate? can you ululate? can they ululate?	can I be ululating? can you be ululating? can she be ululating? can we be ululating? can you be ululating? can they be ululating?
Perfect	V-ing perfect
can I have ululated? can you have ululated? can she have ululated? can we have ululated? can you have ululated? can they have ululated?	can I have been ululating? can you have been ululating? can she have been ululating? can we have been ululating? can you have been ululating? can they have been ululating?

Interro-negative form

Simple form	V-ing form
can't I ululate? can't you ululate? can't she ululate? can't we ululate? can't you ululate? can't they ululate?	can't I be ululating? can't you be ululating? can't she be ululating? can't we be ululating? can't you be ululating? can't they be ululating?
Perfect	V-ing perfect
can't I have ululated? can't you have ululated? can't she have ululated? can't we have ululated? can't you have ululated? can't they have ululated?	can't I have been ululating? can't you have been ululating? can't she have been ululating? can't we have been ululating? can't you have been ululating? can't they have been ululating?