I could alert you could alert she could alert we could alert you could alert they could alert
Form mit V-ing
I could be alerting you could be alerting she could be alerting we could be alerting you could be alerting they could be alerting
Perfekt
I could have alerted you could have alerted she could have alerted we could have alerted you could have alerted they could have alerted
Perfekt mit V-ing
I could have been alerting you could have been alerting she could have been alerting we could have been alerting you could have been alerting they could have been alerting
Negation
Einfache Form
I could not alert you could not alert she could not alert we could not alert you could not alert they could not alert
Form mit V-ing
I could not be alerting you could not be alerting she could not be alerting we could not be alerting you could not be alerting they could not be alerting
Perfekt
I could not have alerted you could not have alerted she could not have alerted we could not have alerted you could not have alerted they could not have alerted
Perfekt mit V-ing
I could not have been alerting you could not have been alerting she could not have been alerting we could not have been alerting you could not have been alerting they could not have been alerting
Fragende Form
Einfache Form
could I alert? could you alert? could she alert? could we alert? could you alert? could they alert?
Form mit V-ing
could I be alerting? could you be alerting? could she be alerting? could we be alerting? could you be alerting? could they be alerting?
Perfekt
could I have alerted? could you have alerted? could she have alerted? could we have alerted? could you have alerted? could they have alerted?
Perfekt mit V-ing
could I have been alerting? could you have been alerting? could she have been alerting? could we have been alerting? could you have been alerting? could they have been alerting?
Fragende Negation Form
Einfache Form
could I not alert? could you not alert? could she not alert? could we not alert? could you not alert? could they not alert?
Form mit V-ing
could I not be alerting? could you not be alerting? could she not be alerting? could we not be alerting? could you not be alerting? could they not be alerting?
Perfekt
could I not have alerted? could you not have alerted? could she not have alerted? could we not have alerted? could you not have alerted? could they not have alerted?
Perfekt mit V-ing
could I not have been alerting? could you not have been alerting? could she not have been alerting? could we not have been alerting? could you not have been alerting? could they not have been alerting?