I can zigzag you can zigzag he can zigzag we can zigzag you can zigzag they can zigzag
V-ing form
I can be zigzagging you can be zigzagging he can be zigzagging we can be zigzagging you can be zigzagging they can be zigzagging
Perfect
I can have zigzagged you can have zigzagged he can have zigzagged we can have zigzagged you can have zigzagged they can have zigzagged
V-ing perfect
I can have been zigzagging you can have been zigzagging he can have been zigzagging we can have been zigzagging you can have been zigzagging they can have been zigzagging
Negation
Simple form
I can't zigzag you can't zigzag he can't zigzag we can't zigzag you can't zigzag they can't zigzag
V-ing form
I can't be zigzagging you can't be zigzagging he can't be zigzagging we can't be zigzagging you can't be zigzagging they can't be zigzagging
Perfect
I can't have zigzagged you can't have zigzagged he can't have zigzagged we can't have zigzagged you can't have zigzagged they can't have zigzagged
V-ing perfect
I can't have been zigzagging you can't have been zigzagging he can't have been zigzagging we can't have been zigzagging you can't have been zigzagging they can't have been zigzagging
Interrogative form
Simple form
can I zigzag? can you zigzag? can he zigzag? can we zigzag? can you zigzag? can they zigzag?
V-ing form
can I be zigzagging? can you be zigzagging? can he be zigzagging? can we be zigzagging? can you be zigzagging? can they be zigzagging?
Perfect
can I have zigzagged? can you have zigzagged? can he have zigzagged? can we have zigzagged? can you have zigzagged? can they have zigzagged?
V-ing perfect
can I have been zigzagging? can you have been zigzagging? can he have been zigzagging? can we have been zigzagging? can you have been zigzagging? can they have been zigzagging?
Interro-negative form
Simple form
can't I zigzag? can't you zigzag? can't he zigzag? can't we zigzag? can't you zigzag? can't they zigzag?
V-ing form
can't I be zigzagging? can't you be zigzagging? can't he be zigzagging? can't we be zigzagging? can't you be zigzagging? can't they be zigzagging?
Perfect
can't I have zigzagged? can't you have zigzagged? can't he have zigzagged? can't we have zigzagged? can't you have zigzagged? can't they have zigzagged?
V-ing perfect
can't I have been zigzagging? can't you have been zigzagging? can't he have been zigzagging? can't we have been zigzagging? can't you have been zigzagging? can't they have been zigzagging?