I can garter you can garter he can garter we can garter you can garter they can garter
V-ing form
I can be gartering you can be gartering he can be gartering we can be gartering you can be gartering they can be gartering
Perfect
I can have gartered you can have gartered he can have gartered we can have gartered you can have gartered they can have gartered
V-ing perfect
I can have been gartering you can have been gartering he can have been gartering we can have been gartering you can have been gartering they can have been gartering
Negation
Simple form
I can't garter you can't garter he can't garter we can't garter you can't garter they can't garter
V-ing form
I can't be gartering you can't be gartering he can't be gartering we can't be gartering you can't be gartering they can't be gartering
Perfect
I can't have gartered you can't have gartered he can't have gartered we can't have gartered you can't have gartered they can't have gartered
V-ing perfect
I can't have been gartering you can't have been gartering he can't have been gartering we can't have been gartering you can't have been gartering they can't have been gartering
Interrogative form
Simple form
can I garter? can you garter? can he garter? can we garter? can you garter? can they garter?
V-ing form
can I be gartering? can you be gartering? can he be gartering? can we be gartering? can you be gartering? can they be gartering?
Perfect
can I have gartered? can you have gartered? can he have gartered? can we have gartered? can you have gartered? can they have gartered?
V-ing perfect
can I have been gartering? can you have been gartering? can he have been gartering? can we have been gartering? can you have been gartering? can they have been gartering?
Interro-negative form
Simple form
can't I garter? can't you garter? can't he garter? can't we garter? can't you garter? can't they garter?
V-ing form
can't I be gartering? can't you be gartering? can't he be gartering? can't we be gartering? can't you be gartering? can't they be gartering?
Perfect
can't I have gartered? can't you have gartered? can't he have gartered? can't we have gartered? can't you have gartered? can't they have gartered?
V-ing perfect
can't I have been gartering? can't you have been gartering? can't he have been gartering? can't we have been gartering? can't you have been gartering? can't they have been gartering?