can tackle
Regular verb: tackle - tackled- tackled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tackle
you can tackle
he can tackle
we can tackle
you can tackle
they can tackle 	I can be tackling
you can be tackling
he can be tackling
we can be tackling
you can be tackling
they can be tackling	I can have tackled
you can have tackled
he can have tackled
we can have tackled
you can have tackled
they can have tackled	I can have been tackling
you can have been tackling
he can have been tackling
we can have been tackling
you can have been tackling
they can have been tackling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't tackle
you can't tackle
he can't tackle
we can't tackle
you can't tackle
they can't tackle 	I can't be tackling
you can't be tackling
he can't be tackling
we can't be tackling
you can't be tackling
they can't be tackling	I can't have tackled
you can't have tackled
he can't have tackled
we can't have tackled
you can't have tackled
they can't have tackled	I can't have been tackling
you can't have been tackling
he can't have been tackling
we can't have been tackling
you can't have been tackling
they can't have been tackling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I tackle?
can you tackle?
can he tackle?
can we tackle?
can you tackle?
can they tackle? 	can I be tackling?
can you be tackling?
can he be tackling?
can we be tackling?
can you be tackling?
can they be tackling? 	can I have tackled?
can you have tackled?
can he have tackled?
can we have tackled?
can you have tackled?
can they have tackled? 	can I have been tackling?
can you have been tackling?
can he have been tackling?
can we have been tackling?
can you have been tackling?
can they have been tackling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I tackle?
can't you tackle?
can't he tackle?
can't we tackle?
can't you tackle?
can't they tackle? 	can't I be tackling?
can't you be tackling?
can't he be tackling?
can't we be tackling?
can't you be tackling?
can't they be tackling? 	can't I have tackled?
can't you have tackled?
can't he have tackled?
can't we have tackled?
can't you have tackled?
can't they have tackled? 	can't I have been tackling?
can't you have been tackling?
can't he have been tackling?
can't we have been tackling?
can't you have been tackling?
can't they have been tackling?