I can scavenge you can scavenge she can scavenge we can scavenge you can scavenge they can scavenge
V-ing form
I can be scavenging you can be scavenging she can be scavenging we can be scavenging you can be scavenging they can be scavenging
Perfect
I can have scavenged you can have scavenged she can have scavenged we can have scavenged you can have scavenged they can have scavenged
V-ing perfect
I can have been scavenging you can have been scavenging she can have been scavenging we can have been scavenging you can have been scavenging they can have been scavenging
Negation
Simple form
I can't scavenge you can't scavenge she can't scavenge we can't scavenge you can't scavenge they can't scavenge
V-ing form
I can't be scavenging you can't be scavenging she can't be scavenging we can't be scavenging you can't be scavenging they can't be scavenging
Perfect
I can't have scavenged you can't have scavenged she can't have scavenged we can't have scavenged you can't have scavenged they can't have scavenged
V-ing perfect
I can't have been scavenging you can't have been scavenging she can't have been scavenging we can't have been scavenging you can't have been scavenging they can't have been scavenging
Interrogative form
Simple form
can I scavenge? can you scavenge? can she scavenge? can we scavenge? can you scavenge? can they scavenge?
V-ing form
can I be scavenging? can you be scavenging? can she be scavenging? can we be scavenging? can you be scavenging? can they be scavenging?
Perfect
can I have scavenged? can you have scavenged? can she have scavenged? can we have scavenged? can you have scavenged? can they have scavenged?
V-ing perfect
can I have been scavenging? can you have been scavenging? can she have been scavenging? can we have been scavenging? can you have been scavenging? can they have been scavenging?
Interro-negative form
Simple form
can't I scavenge? can't you scavenge? can't she scavenge? can't we scavenge? can't you scavenge? can't they scavenge?
V-ing form
can't I be scavenging? can't you be scavenging? can't she be scavenging? can't we be scavenging? can't you be scavenging? can't they be scavenging?
Perfect
can't I have scavenged? can't you have scavenged? can't she have scavenged? can't we have scavenged? can't you have scavenged? can't they have scavenged?
V-ing perfect
can't I have been scavenging? can't you have been scavenging? can't she have been scavenging? can't we have been scavenging? can't you have been scavenging? can't they have been scavenging?