I can harvest you can harvest she can harvest we can harvest you can harvest they can harvest
Forma com V-ing
I can be harvesting you can be harvesting she can be harvesting we can be harvesting you can be harvesting they can be harvesting
Perfeito
I can have harvested you can have harvested she can have harvested we can have harvested you can have harvested they can have harvested
Perfeito com V-ing
I can have been harvesting you can have been harvesting she can have been harvesting we can have been harvesting you can have been harvesting they can have been harvesting
Negação
Forma simple
I can't harvest you can't harvest she can't harvest we can't harvest you can't harvest they can't harvest
Forma com V-ing
I can't be harvesting you can't be harvesting she can't be harvesting we can't be harvesting you can't be harvesting they can't be harvesting
Perfeito
I can't have harvested you can't have harvested she can't have harvested we can't have harvested you can't have harvested they can't have harvested
Perfeito com V-ing
I can't have been harvesting you can't have been harvesting she can't have been harvesting we can't have been harvesting you can't have been harvesting they can't have been harvesting
Forma interrogativa
Forma simple
can I harvest? can you harvest? can she harvest? can we harvest? can you harvest? can they harvest?
Forma com V-ing
can I be harvesting? can you be harvesting? can she be harvesting? can we be harvesting? can you be harvesting? can they be harvesting?
Perfeito
can I have harvested? can you have harvested? can she have harvested? can we have harvested? can you have harvested? can they have harvested?
Perfeito com V-ing
can I have been harvesting? can you have been harvesting? can she have been harvesting? can we have been harvesting? can you have been harvesting? can they have been harvesting?
Forma interro-Negação
Forma simple
can't I harvest? can't you harvest? can't she harvest? can't we harvest? can't you harvest? can't they harvest?
Forma com V-ing
can't I be harvesting? can't you be harvesting? can't she be harvesting? can't we be harvesting? can't you be harvesting? can't they be harvesting?
Perfeito
can't I have harvested? can't you have harvested? can't she have harvested? can't we have harvested? can't you have harvested? can't they have harvested?
Perfeito com V-ing
can't I have been harvesting? can't you have been harvesting? can't she have been harvesting? can't we have been harvesting? can't you have been harvesting? can't they have been harvesting?