could troubleshoot
Irregular verb: troubleshoot - troubleshot- troubleshot

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could troubleshoot
you could troubleshoot
he could troubleshoot
we could troubleshoot
you could troubleshoot
they could troubleshoot 	I could be troubleshooting
you could be troubleshooting
he could be troubleshooting
we could be troubleshooting
you could be troubleshooting
they could be troubleshooting	I could have troubleshot
you could have troubleshot
he could have troubleshot
we could have troubleshot
you could have troubleshot
they could have troubleshot	I could have been troubleshooting
you could have been troubleshooting
he could have been troubleshooting
we could have been troubleshooting
you could have been troubleshooting
they could have been troubleshooting	

Negation 	
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I couldn't troubleshoot
you couldn't troubleshoot
he couldn't troubleshoot
we couldn't troubleshoot
you couldn't troubleshoot
they couldn't troubleshoot 	I couldn't be troubleshooting
you couldn't be troubleshooting
he couldn't be troubleshooting
we couldn't be troubleshooting
you couldn't be troubleshooting
they couldn't be troubleshooting	I couldn't have troubleshot
you couldn't have troubleshot
he couldn't have troubleshot
we couldn't have troubleshot
you couldn't have troubleshot
they couldn't have troubleshot	I couldn't have been troubleshooting
you couldn't have been troubleshooting
he couldn't have been troubleshooting
we couldn't have been troubleshooting
you couldn't have been troubleshooting
they couldn't have been troubleshooting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I troubleshoot?
could you troubleshoot?
could he troubleshoot?
could we troubleshoot?
could you troubleshoot?
could they troubleshoot? 	could I be troubleshooting?
could you be troubleshooting?
could he be troubleshooting?
could we be troubleshooting?
could you be troubleshooting?
could they be troubleshooting? 	could I have troubleshot?
could you have troubleshot?
could he have troubleshot?
could we have troubleshot?
could you have troubleshot?
could they have troubleshot? 	could I have been troubleshooting?
could you have been troubleshooting?
could he have been troubleshooting?
could we have been troubleshooting?
could you have been troubleshooting?
could they have been troubleshooting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I troubleshoot?
couldn't you troubleshoot?
couldn't he troubleshoot?
couldn't we troubleshoot?
couldn't you troubleshoot?
couldn't they troubleshoot? 	couldn't I be troubleshooting?
couldn't you be troubleshooting?
couldn't he be troubleshooting?
couldn't we be troubleshooting?
couldn't you be troubleshooting?
couldn't they be troubleshooting? 	couldn't I have troubleshot?
couldn't you have troubleshot?
couldn't he have troubleshot?
couldn't we have troubleshot?
couldn't you have troubleshot?
couldn't they have troubleshot? 	couldn't I have been troubleshooting?
couldn't you have been troubleshooting?
couldn't he have been troubleshooting?
couldn't we have been troubleshooting?
couldn't you have been troubleshooting?
couldn't they have been troubleshooting?