may snow
Verbo regular: snow - snowed- snowed

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

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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-
it may not snow
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-
- 	-
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it may not be snowing
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-
- 	-
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it may not have snowed
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-
- 	-
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it may not have been snowing
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-
- 	

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

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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-
may it not snow?
-
-
- 	-
-
may it not be snowing?
-
-
- 	-
-
may it not have snowed?
-
-
- 	-
-
may it not have been snowing?
-
-
-