I can alert you can alert he can alert we can alert you can alert they can alert
Form mit V-ing
I can be alerting you can be alerting he can be alerting we can be alerting you can be alerting they can be alerting
Perfekt
I can have alerted you can have alerted he can have alerted we can have alerted you can have alerted they can have alerted
Perfekt mit V-ing
I can have been alerting you can have been alerting he can have been alerting we can have been alerting you can have been alerting they can have been alerting
Negation
Einfache Form
I can't alert you can't alert he can't alert we can't alert you can't alert they can't alert
Form mit V-ing
I can't be alerting you can't be alerting he can't be alerting we can't be alerting you can't be alerting they can't be alerting
Perfekt
I can't have alerted you can't have alerted he can't have alerted we can't have alerted you can't have alerted they can't have alerted
Perfekt mit V-ing
I can't have been alerting you can't have been alerting he can't have been alerting we can't have been alerting you can't have been alerting they can't have been alerting
Fragende Form
Einfache Form
can I alert? can you alert? can he alert? can we alert? can you alert? can they alert?
Form mit V-ing
can I be alerting? can you be alerting? can he be alerting? can we be alerting? can you be alerting? can they be alerting?
Perfekt
can I have alerted? can you have alerted? can he have alerted? can we have alerted? can you have alerted? can they have alerted?
Perfekt mit V-ing
can I have been alerting? can you have been alerting? can he have been alerting? can we have been alerting? can you have been alerting? can they have been alerting?
Fragende Negation Form
Einfache Form
can't I alert? can't you alert? can't he alert? can't we alert? can't you alert? can't they alert?
Form mit V-ing
can't I be alerting? can't you be alerting? can't he be alerting? can't we be alerting? can't you be alerting? can't they be alerting?
Perfekt
can't I have alerted? can't you have alerted? can't he have alerted? can't we have alerted? can't you have alerted? can't they have alerted?
Perfekt mit V-ing
can't I have been alerting? can't you have been alerting? can't he have been alerting? can't we have been alerting? can't you have been alerting? can't they have been alerting?