can snow
Verbo regular: snow - snowed- snowed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
-
-
it can snow
-
-
- 	-
-
it can be snowing
-
-
- 	-
-
it can have snowed
-
-
- 	-
-
it can have been snowing
-
-
- 	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
-
-
it can't snow
-
-
- 	-
-
it can't be snowing
-
-
- 	-
-
it can't have snowed
-
-
- 	-
-
it can't have been snowing
-
-
- 	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
-
-
can it snow?
-
-
- 	-
-
can it be snowing?
-
-
- 	-
-
can it have snowed?
-
-
- 	-
-
can it have been snowing?
-
-
- 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
-
-
can't it snow?
-
-
- 	-
-
can't it be snowing?
-
-
- 	-
-
can't it have snowed?
-
-
- 	-
-
can't it have been snowing?
-
-
-