Conjugação do verbo inglês
CAN LACK

Verbo regular: lack - lacked - lacked

Afirmação

Forma simple	Forma com V-ing
I can lack you can lack he can lack we can lack you can lack they can lack	I can be lacking you can be lacking he can be lacking we can be lacking you can be lacking they can be lacking
Perfeito	Perfeito com V-ing
I can have lacked you can have lacked he can have lacked we can have lacked you can have lacked they can have lacked	I can have been lacking you can have been lacking he can have been lacking we can have been lacking you can have been lacking they can have been lacking

Negação

Forma simple	Forma com V-ing
I can't lack you can't lack he can't lack we can't lack you can't lack they can't lack	I can't be lacking you can't be lacking he can't be lacking we can't be lacking you can't be lacking they can't be lacking
Perfeito	Perfeito com V-ing
I can't have lacked you can't have lacked he can't have lacked we can't have lacked you can't have lacked they can't have lacked	I can't have been lacking you can't have been lacking he can't have been lacking we can't have been lacking you can't have been lacking they can't have been lacking

Forma interrogativa

Forma simple	Forma com V-ing
can I lack? can you lack? can he lack? can we lack? can you lack? can they lack?	can I be lacking? can you be lacking? can he be lacking? can we be lacking? can you be lacking? can they be lacking?
Perfeito	Perfeito com V-ing
can I have lacked? can you have lacked? can he have lacked? can we have lacked? can you have lacked? can they have lacked?	can I have been lacking? can you have been lacking? can he have been lacking? can we have been lacking? can you have been lacking? can they have been lacking?

Forma interro-Negação

Forma simple	Forma com V-ing
can't I lack? can't you lack? can't he lack? can't we lack? can't you lack? can't they lack?	can't I be lacking? can't you be lacking? can't he be lacking? can't we be lacking? can't you be lacking? can't they be lacking?
Perfeito	Perfeito com V-ing
can't I have lacked? can't you have lacked? can't he have lacked? can't we have lacked? can't you have lacked? can't they have lacked?	can't I have been lacking? can't you have been lacking? can't he have been lacking? can't we have been lacking? can't you have been lacking? can't they have been lacking?