shall thunder
Regular verb: thunder - thundered- thundered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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it'll thunder
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it'll be thundering
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it'll have thundered
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it'll have been thundering
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Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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it shan't thunder
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it shan't be thundering
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it shan't have thundered
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it shan't have been thundering
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Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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shall it thunder?
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shall it be thundering?
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shall it have thundered?
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shall it have been thundering?
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Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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shan't it thunder?
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shan't it be thundering?
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shan't it have thundered?
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shan't it have been thundering?
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