English verb conjugation
CAN FULFIL

Regular verb: fulfil - fulfilled - fulfilled

Affirmation

Simple form	V-ing form
I can fulfil you can fulfil he can fulfil we can fulfil you can fulfil they can fulfil	I can be fulfilling you can be fulfilling he can be fulfilling we can be fulfilling you can be fulfilling they can be fulfilling
Perfect	V-ing perfect
I can have fulfilled you can have fulfilled he can have fulfilled we can have fulfilled you can have fulfilled they can have fulfilled	I can have been fulfilling you can have been fulfilling he can have been fulfilling we can have been fulfilling you can have been fulfilling they can have been fulfilling

Negation

Simple form	V-ing form
I can't fulfil you can't fulfil he can't fulfil we can't fulfil you can't fulfil they can't fulfil	I can't be fulfilling you can't be fulfilling he can't be fulfilling we can't be fulfilling you can't be fulfilling they can't be fulfilling
Perfect	V-ing perfect
I can't have fulfilled you can't have fulfilled he can't have fulfilled we can't have fulfilled you can't have fulfilled they can't have fulfilled	I can't have been fulfilling you can't have been fulfilling he can't have been fulfilling we can't have been fulfilling you can't have been fulfilling they can't have been fulfilling

Interrogative form

Simple form	V-ing form
can I fulfil? can you fulfil? can he fulfil? can we fulfil? can you fulfil? can they fulfil?	can I be fulfilling? can you be fulfilling? can he be fulfilling? can we be fulfilling? can you be fulfilling? can they be fulfilling?
Perfect	V-ing perfect
can I have fulfilled? can you have fulfilled? can he have fulfilled? can we have fulfilled? can you have fulfilled? can they have fulfilled?	can I have been fulfilling? can you have been fulfilling? can he have been fulfilling? can we have been fulfilling? can you have been fulfilling? can they have been fulfilling?

Interro-negative form

Simple form	V-ing form
can't I fulfil? can't you fulfil? can't he fulfil? can't we fulfil? can't you fulfil? can't they fulfil?	can't I be fulfilling? can't you be fulfilling? can't he be fulfilling? can't we be fulfilling? can't you be fulfilling? can't they be fulfilling?
Perfect	V-ing perfect
can't I have fulfilled? can't you have fulfilled? can't he have fulfilled? can't we have fulfilled? can't you have fulfilled? can't they have fulfilled?	can't I have been fulfilling? can't you have been fulfilling? can't he have been fulfilling? can't we have been fulfilling? can't you have been fulfilling? can't they have been fulfilling?