I can keelhaul you can keelhaul she can keelhaul we can keelhaul you can keelhaul they can keelhaul
V-ing form
I can be keelhauling you can be keelhauling she can be keelhauling we can be keelhauling you can be keelhauling they can be keelhauling
Perfect
I can have keelhauled you can have keelhauled she can have keelhauled we can have keelhauled you can have keelhauled they can have keelhauled
V-ing perfect
I can have been keelhauling you can have been keelhauling she can have been keelhauling we can have been keelhauling you can have been keelhauling they can have been keelhauling
Negation
Simple form
I can't keelhaul you can't keelhaul she can't keelhaul we can't keelhaul you can't keelhaul they can't keelhaul
V-ing form
I can't be keelhauling you can't be keelhauling she can't be keelhauling we can't be keelhauling you can't be keelhauling they can't be keelhauling
Perfect
I can't have keelhauled you can't have keelhauled she can't have keelhauled we can't have keelhauled you can't have keelhauled they can't have keelhauled
V-ing perfect
I can't have been keelhauling you can't have been keelhauling she can't have been keelhauling we can't have been keelhauling you can't have been keelhauling they can't have been keelhauling
Interrogative form
Simple form
can I keelhaul? can you keelhaul? can she keelhaul? can we keelhaul? can you keelhaul? can they keelhaul?
V-ing form
can I be keelhauling? can you be keelhauling? can she be keelhauling? can we be keelhauling? can you be keelhauling? can they be keelhauling?
Perfect
can I have keelhauled? can you have keelhauled? can she have keelhauled? can we have keelhauled? can you have keelhauled? can they have keelhauled?
V-ing perfect
can I have been keelhauling? can you have been keelhauling? can she have been keelhauling? can we have been keelhauling? can you have been keelhauling? can they have been keelhauling?
Interro-negative form
Simple form
can't I keelhaul? can't you keelhaul? can't she keelhaul? can't we keelhaul? can't you keelhaul? can't they keelhaul?
V-ing form
can't I be keelhauling? can't you be keelhauling? can't she be keelhauling? can't we be keelhauling? can't you be keelhauling? can't they be keelhauling?
Perfect
can't I have keelhauled? can't you have keelhauled? can't she have keelhauled? can't we have keelhauled? can't you have keelhauled? can't they have keelhauled?
V-ing perfect
can't I have been keelhauling? can't you have been keelhauling? can't she have been keelhauling? can't we have been keelhauling? can't you have been keelhauling? can't they have been keelhauling?