I can beetle you can beetle she can beetle we can beetle you can beetle they can beetle
V-ing form
I can be beetling you can be beetling she can be beetling we can be beetling you can be beetling they can be beetling
Perfect
I can have beetled you can have beetled she can have beetled we can have beetled you can have beetled they can have beetled
V-ing perfect
I can have been beetling you can have been beetling she can have been beetling we can have been beetling you can have been beetling they can have been beetling
Negation
Simple form
I cannot beetle you cannot beetle she cannot beetle we cannot beetle you cannot beetle they cannot beetle
V-ing form
I cannot be beetling you cannot be beetling she cannot be beetling we cannot be beetling you cannot be beetling they cannot be beetling
Perfect
I cannot have beetled you cannot have beetled she cannot have beetled we cannot have beetled you cannot have beetled they cannot have beetled
V-ing perfect
I cannot have been beetling you cannot have been beetling she cannot have been beetling we cannot have been beetling you cannot have been beetling they cannot have been beetling
Interrogative form
Simple form
can I beetle? can you beetle? can she beetle? can we beetle? can you beetle? can they beetle?
V-ing form
can I be beetling? can you be beetling? can she be beetling? can we be beetling? can you be beetling? can they be beetling?
Perfect
can I have beetled? can you have beetled? can she have beetled? can we have beetled? can you have beetled? can they have beetled?
V-ing perfect
can I have been beetling? can you have been beetling? can she have been beetling? can we have been beetling? can you have been beetling? can they have been beetling?
Interro-negative form
Simple form
can I not beetle? can you not beetle? can she not beetle? can we not beetle? can you not beetle? can they not beetle?
V-ing form
can I not be beetling? can you not be beetling? can she not be beetling? can we not be beetling? can you not be beetling? can they not be beetling?
Perfect
can I not have beetled? can you not have beetled? can she not have beetled? can we not have beetled? can you not have beetled? can they not have beetled?
V-ing perfect
can I not have been beetling? can you not have been beetling? can she not have been beetling? can we not have been beetling? can you not have been beetling? can they not have been beetling?