an object of 3 centimetre is placed at a distance of 20cm in front of convex mirror of radius of curveture 20cm. find the position, nature and size of the image
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10th
English
Tenses
Present Tense
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ENGLISH
Fill in the blank with the correct form of present tense of the verb given in the brackets.
We _____________ (have) nothing to eat since morning.
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The present perfect tense refers to an action or state that occurred at an indefinite time in the past or began in the past and continued to the present time. This tense is formed by have/has + past participle. You can use the present perfect to talk about the duration of something that started in the past is still happening. Here, the state of not eating since morning has continued to the present. Hence, Option B is correct.
The rest of the options do not express this condition. They mention continuous actions without an auxiliary/helping verb (option A), actions that are yet to happen (option C) or incorrect verb forms 'have + have' (option D). 'Have + have' is not the desired verb form, because the latter 'have' must be conjugated, and 'have' as a main verb (latter) is a base verb.
Hence these options are incorrect.
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