can oscillate
Regular verb: oscillate - oscillated- oscillated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can oscillate
you can oscillate
he can oscillate
we can oscillate
you can oscillate
they can oscillate 	I can be oscillating
you can be oscillating
he can be oscillating
we can be oscillating
you can be oscillating
they can be oscillating	I can have oscillated
you can have oscillated
he can have oscillated
we can have oscillated
you can have oscillated
they can have oscillated	I can have been oscillating
you can have been oscillating
he can have been oscillating
we can have been oscillating
you can have been oscillating
they can have been oscillating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't oscillate
you can't oscillate
he can't oscillate
we can't oscillate
you can't oscillate
they can't oscillate 	I can't be oscillating
you can't be oscillating
he can't be oscillating
we can't be oscillating
you can't be oscillating
they can't be oscillating	I can't have oscillated
you can't have oscillated
he can't have oscillated
we can't have oscillated
you can't have oscillated
they can't have oscillated	I can't have been oscillating
you can't have been oscillating
he can't have been oscillating
we can't have been oscillating
you can't have been oscillating
they can't have been oscillating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I oscillate?
can you oscillate?
can he oscillate?
can we oscillate?
can you oscillate?
can they oscillate? 	can I be oscillating?
can you be oscillating?
can he be oscillating?
can we be oscillating?
can you be oscillating?
can they be oscillating? 	can I have oscillated?
can you have oscillated?
can he have oscillated?
can we have oscillated?
can you have oscillated?
can they have oscillated? 	can I have been oscillating?
can you have been oscillating?
can he have been oscillating?
can we have been oscillating?
can you have been oscillating?
can they have been oscillating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I oscillate?
can't you oscillate?
can't he oscillate?
can't we oscillate?
can't you oscillate?
can't they oscillate? 	can't I be oscillating?
can't you be oscillating?
can't he be oscillating?
can't we be oscillating?
can't you be oscillating?
can't they be oscillating? 	can't I have oscillated?
can't you have oscillated?
can't he have oscillated?
can't we have oscillated?
can't you have oscillated?
can't they have oscillated? 	can't I have been oscillating?
can't you have been oscillating?
can't he have been oscillating?
can't we have been oscillating?
can't you have been oscillating?
can't they have been oscillating?