Tenses -12 as 48 Formulas 1.13 [free]

This application helps you to learn English by tenses.
Total 12 Tenses, each tense extracting as 4 formulas.
You can learn that how can form 48 formulas from 12 tenses, such as positive, negative, interrogative and interrogative + negative.
All these 48 formulas has been given explanation and examples about usage of formula.

• 10/14/2018: Tenses -12 as 48 Formulas 1.13
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