can speculate
Verbe régulier : speculate - speculated- speculated
Traduction française : s'interroger - spéculer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can speculate
you can speculate
she can speculate
we can speculate
you can speculate
they can speculate 	I can be speculating
you can be speculating
she can be speculating
we can be speculating
you can be speculating
they can be speculating	I can have speculated
you can have speculated
she can have speculated
we can have speculated
you can have speculated
they can have speculated	I can have been speculating
you can have been speculating
she can have been speculating
we can have been speculating
you can have been speculating
they can have been speculating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't speculate
you can't speculate
she can't speculate
we can't speculate
you can't speculate
they can't speculate 	I can't be speculating
you can't be speculating
she can't be speculating
we can't be speculating
you can't be speculating
they can't be speculating	I can't have speculated
you can't have speculated
she can't have speculated
we can't have speculated
you can't have speculated
they can't have speculated	I can't have been speculating
you can't have been speculating
she can't have been speculating
we can't have been speculating
you can't have been speculating
they can't have been speculating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I speculate?
can you speculate?
can she speculate?
can we speculate?
can you speculate?
can they speculate? 	can I be speculating?
can you be speculating?
can she be speculating?
can we be speculating?
can you be speculating?
can they be speculating? 	can I have speculated?
can you have speculated?
can she have speculated?
can we have speculated?
can you have speculated?
can they have speculated? 	can I have been speculating?
can you have been speculating?
can she have been speculating?
can we have been speculating?
can you have been speculating?
can they have been speculating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I speculate?
can't you speculate?
can't she speculate?
can't we speculate?
can't you speculate?
can't they speculate? 	can't I be speculating?
can't you be speculating?
can't she be speculating?
can't we be speculating?
can't you be speculating?
can't they be speculating? 	can't I have speculated?
can't you have speculated?
can't she have speculated?
can't we have speculated?
can't you have speculated?
can't they have speculated? 	can't I have been speculating?
can't you have been speculating?
can't she have been speculating?
can't we have been speculating?
can't you have been speculating?
can't they have been speculating?