can watchdog
Regular verb: watchdog - watchdoged- watchdoged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can watchdog
you can watchdog
he can watchdog
we can watchdog
you can watchdog
they can watchdog 	I can be watchdoging
you can be watchdoging
he can be watchdoging
we can be watchdoging
you can be watchdoging
they can be watchdoging	I can have watchdoged
you can have watchdoged
he can have watchdoged
we can have watchdoged
you can have watchdoged
they can have watchdoged	I can have been watchdoging
you can have been watchdoging
he can have been watchdoging
we can have been watchdoging
you can have been watchdoging
they can have been watchdoging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't watchdog
you can't watchdog
he can't watchdog
we can't watchdog
you can't watchdog
they can't watchdog 	I can't be watchdoging
you can't be watchdoging
he can't be watchdoging
we can't be watchdoging
you can't be watchdoging
they can't be watchdoging	I can't have watchdoged
you can't have watchdoged
he can't have watchdoged
we can't have watchdoged
you can't have watchdoged
they can't have watchdoged	I can't have been watchdoging
you can't have been watchdoging
he can't have been watchdoging
we can't have been watchdoging
you can't have been watchdoging
they can't have been watchdoging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I watchdog?
can you watchdog?
can he watchdog?
can we watchdog?
can you watchdog?
can they watchdog? 	can I be watchdoging?
can you be watchdoging?
can he be watchdoging?
can we be watchdoging?
can you be watchdoging?
can they be watchdoging? 	can I have watchdoged?
can you have watchdoged?
can he have watchdoged?
can we have watchdoged?
can you have watchdoged?
can they have watchdoged? 	can I have been watchdoging?
can you have been watchdoging?
can he have been watchdoging?
can we have been watchdoging?
can you have been watchdoging?
can they have been watchdoging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I watchdog?
can't you watchdog?
can't he watchdog?
can't we watchdog?
can't you watchdog?
can't they watchdog? 	can't I be watchdoging?
can't you be watchdoging?
can't he be watchdoging?
can't we be watchdoging?
can't you be watchdoging?
can't they be watchdoging? 	can't I have watchdoged?
can't you have watchdoged?
can't he have watchdoged?
can't we have watchdoged?
can't you have watchdoged?
can't they have watchdoged? 	can't I have been watchdoging?
can't you have been watchdoging?
can't he have been watchdoging?
can't we have been watchdoging?
can't you have been watchdoging?
can't they have been watchdoging?