English verb conjugation OUGHT TO SNOW

Regular verb: snow - snowed - snowed

Affirmation

Simple form

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it ought to snow
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V-ing form

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it ought to be snowing
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Perfect

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it ought to have snowed
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V-ing perfect

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it ought to have been snowing
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Simple form

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it oughtn't to snow
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V-ing form

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it oughtn't to be snowing
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Perfect

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it oughtn't to have snowed
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V-ing perfect

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it oughtn't to have been snowing
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Simple form

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ought to it snow?
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V-ing form

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ought to it be snowing?
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Perfect

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ought to it have snowed?
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V-ing perfect

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ought to it have been snowing?
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Simple form

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oughtn't it to snow?
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V-ing form

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oughtn't it to be snowing?
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Perfect

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oughtn't it to have snowed?
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V-ing perfect

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oughtn't it to have been snowing?
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