can expert
Regular verb: expert - experted- experted

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can expert
you can expert
he can expert
we can expert
you can expert
they can expert 	I can be experting
you can be experting
he can be experting
we can be experting
you can be experting
they can be experting	I can have experted
you can have experted
he can have experted
we can have experted
you can have experted
they can have experted	I can have been experting
you can have been experting
he can have been experting
we can have been experting
you can have been experting
they can have been experting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't expert
you can't expert
he can't expert
we can't expert
you can't expert
they can't expert 	I can't be experting
you can't be experting
he can't be experting
we can't be experting
you can't be experting
they can't be experting	I can't have experted
you can't have experted
he can't have experted
we can't have experted
you can't have experted
they can't have experted	I can't have been experting
you can't have been experting
he can't have been experting
we can't have been experting
you can't have been experting
they can't have been experting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I expert?
can you expert?
can he expert?
can we expert?
can you expert?
can they expert? 	can I be experting?
can you be experting?
can he be experting?
can we be experting?
can you be experting?
can they be experting? 	can I have experted?
can you have experted?
can he have experted?
can we have experted?
can you have experted?
can they have experted? 	can I have been experting?
can you have been experting?
can he have been experting?
can we have been experting?
can you have been experting?
can they have been experting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I expert?
can't you expert?
can't he expert?
can't we expert?
can't you expert?
can't they expert? 	can't I be experting?
can't you be experting?
can't he be experting?
can't we be experting?
can't you be experting?
can't they be experting? 	can't I have experted?
can't you have experted?
can't he have experted?
can't we have experted?
can't you have experted?
can't they have experted? 	can't I have been experting?
can't you have been experting?
can't he have been experting?
can't we have been experting?
can't you have been experting?
can't they have been experting?