can havoc
Regular verb: havoc - havoced- havoced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can havoc
you can havoc
he can havoc
we can havoc
you can havoc
they can havoc 	I can be havocing
you can be havocing
he can be havocing
we can be havocing
you can be havocing
they can be havocing	I can have havoced
you can have havoced
he can have havoced
we can have havoced
you can have havoced
they can have havoced	I can have been havocing
you can have been havocing
he can have been havocing
we can have been havocing
you can have been havocing
they can have been havocing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't havoc
you can't havoc
he can't havoc
we can't havoc
you can't havoc
they can't havoc 	I can't be havocing
you can't be havocing
he can't be havocing
we can't be havocing
you can't be havocing
they can't be havocing	I can't have havoced
you can't have havoced
he can't have havoced
we can't have havoced
you can't have havoced
they can't have havoced	I can't have been havocing
you can't have been havocing
he can't have been havocing
we can't have been havocing
you can't have been havocing
they can't have been havocing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I havoc?
can you havoc?
can he havoc?
can we havoc?
can you havoc?
can they havoc? 	can I be havocing?
can you be havocing?
can he be havocing?
can we be havocing?
can you be havocing?
can they be havocing? 	can I have havoced?
can you have havoced?
can he have havoced?
can we have havoced?
can you have havoced?
can they have havoced? 	can I have been havocing?
can you have been havocing?
can he have been havocing?
can we have been havocing?
can you have been havocing?
can they have been havocing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I havoc?
can't you havoc?
can't he havoc?
can't we havoc?
can't you havoc?
can't they havoc? 	can't I be havocing?
can't you be havocing?
can't he be havocing?
can't we be havocing?
can't you be havocing?
can't they be havocing? 	can't I have havoced?
can't you have havoced?
can't he have havoced?
can't we have havoced?
can't you have havoced?
can't they have havoced? 	can't I have been havocing?
can't you have been havocing?
can't he have been havocing?
can't we have been havocing?
can't you have been havocing?
can't they have been havocing?