can conclude
Regular verb: conclude - concluded- concluded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can conclude
you can conclude
she can conclude
we can conclude
you can conclude
they can conclude 	I can be concluding
you can be concluding
she can be concluding
we can be concluding
you can be concluding
they can be concluding	I can have concluded
you can have concluded
she can have concluded
we can have concluded
you can have concluded
they can have concluded	I can have been concluding
you can have been concluding
she can have been concluding
we can have been concluding
you can have been concluding
they can have been concluding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot conclude
you cannot conclude
she cannot conclude
we cannot conclude
you cannot conclude
they cannot conclude 	I cannot be concluding
you cannot be concluding
she cannot be concluding
we cannot be concluding
you cannot be concluding
they cannot be concluding	I cannot have concluded
you cannot have concluded
she cannot have concluded
we cannot have concluded
you cannot have concluded
they cannot have concluded	I cannot have been concluding
you cannot have been concluding
she cannot have been concluding
we cannot have been concluding
you cannot have been concluding
they cannot have been concluding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I conclude?
can you conclude?
can she conclude?
can we conclude?
can you conclude?
can they conclude? 	can I be concluding?
can you be concluding?
can she be concluding?
can we be concluding?
can you be concluding?
can they be concluding? 	can I have concluded?
can you have concluded?
can she have concluded?
can we have concluded?
can you have concluded?
can they have concluded? 	can I have been concluding?
can you have been concluding?
can she have been concluding?
can we have been concluding?
can you have been concluding?
can they have been concluding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not conclude?
can you not conclude?
can she not conclude?
can we not conclude?
can you not conclude?
can they not conclude? 	can I not be concluding?
can you not be concluding?
can she not be concluding?
can we not be concluding?
can you not be concluding?
can they not be concluding? 	can I not have concluded?
can you not have concluded?
can she not have concluded?
can we not have concluded?
can you not have concluded?
can they not have concluded? 	can I not have been concluding?
can you not have been concluding?
can she not have been concluding?
can we not have been concluding?
can you not have been concluding?
can they not have been concluding?