What is Tense? A tense may be defined as that form of a verb which indicates the time and the state of an action or event. Tense -- Time of an action He goes to Delhi. (Present Tense) She went to Patna. (Past Tense) I shall go there. (Future Tense) Function of Tenses -- State of an action I go to school daily (Habitual function) She is writing a letter (Progressive function) The Present Simple Tense (Think about this paragraph) "Yes, I like this supermarket. I think It's very nice. Yes, my wife thinks so, too. We always shop here. We come here every week. We live quite near, so it doesn't take long to get here." Uses of Present simple tense This tense is generally used to denote "habit, custom, repeated action, permanent activity, general truth etc. these ideas are expressed by the adverbs of frequency such as often, seldom, usually, never, normally, generally, sometimes, frequently etc. eg.- We always come here. ...
Explained: Sahara Desert The Sahara is the largest hot desert in the world; and the third-largest desert behind Antarctica and the Arctic, which are both cold deserts. It is located between 20⁰ and 30⁰ latitudes, north, and south of the equator. Its east-west extent is about 5500 kms; north-south extent is about 1900 kms. The Sahara has one of the harshest environments on the earth, covering 9.4 million square kms. The name of the desert comes from the Arabic word sahrā, which means ‘desert’. History This the great desert was born some seven million years ago, as remnants of a vast sea called Tethys closed up. Long ago, the Sahara was a fertile region with thick forests. Over thousands of years, the forces of nature and various human activities have converted this region into a barren wasteland. Geography The Sahara covers a large part of Africa continent. It extends from the Atlantic Ocean in the west up to the Red Sea in the east. It covers an area of about 9.4 million square kilomet...