shall snow
Regular verb: snow - snowed- snowed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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it shall snow
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it shall be snowing
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it shall have snowed
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it shall have been snowing
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Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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it shall not snow
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it shall not be snowing
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it shall not have snowed
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it shall not have been snowing
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Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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shall it snow?
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shall it be snowing?
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shall it have snowed?
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shall it have been snowing?
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Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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shall it not snow?
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shall it not be snowing?
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shall it not have snowed?
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shall it not have been snowing?
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