The present perfect continuous tense expresses an action that has been started in the past and continues to the present. Examples: The boys have been living in this city for 10 years. It has been raining since Tuesday. The girls have been cooking the food since last three weeks. Those children have been running in the park since morning.

Imperative sentences come in two forms: affirmative and negative. An affirmative imperative sentence tells the reader or listener to take a specific action. Here are a few examples: Put your plate in the sink. Ask the teacher about last night's homework. Call me! A negative imperative sentence tells the reader or listener to not do something

^{Definition with Examples. Future Simple Tense is used to express the actions that are supposed to take place in the future. It could relate to the actions that could happen both in the near as well as late future, it may or may not have any time reference. Consider the following sentences in Future Simple Tense-.}

Negative Sentences Why are you not reading? Aren't you feeling well today? Don't you think it's too late to call him now? Can't you speak Spanish fluently? Haven't you seen this movie before? Shouldn't we wait for him to arrive before we start the meeting? Hasn't anyone called you back yet? Is not his mother well?

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10 negative interrogative sentences