When do we use the present perfect tense? What is the structure of present perfect tense? When do we use the present perfect continuous tense? What is the structure of present perfect continuous tense?

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What is the structure of simple present tense? When do we use the simple present tense? What is the structure of present continuous tense? When do we use the present continuous tense?

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What should the sentence structure be like when we talk about official arrangements, instructions and orders? When do we use the future perfect tense? What is the difference in use of ‘by’ and ‘in’? When do we use the future perfect continuous tense?

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When do we use ‘will’? When do we use ‘shall’?

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What is the structure of future continuous tense? When do we use the future continuous tense? What is the structure of future perfect tense? When do we use the future perfect tense? What is the structure of future perfect continuous tense? When do we use the future perfect continuous tense?

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When do we use the simple future tense? What is the structure of simple future tense? What is the difference between ‘will’ and ‘going to’? Do we also use the simple present tense and the present continuous tense to talk about future plans?

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What is the difference in use of the past perfect continuous tense and the past perfect tense? Which tense do we use to talk about the completion of an activity?

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