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The past perfect tense is used to describe an action that took place in the past before another past...

For different objectives, at a certain period of the year, people decide to travel whether inside or...

Ecotourism is a responsible travel to natural areas supporting the fauna, flora, and local economy....

A synonym is a word or phrase that means exactly or nearly the same as another word or phrase in the...

A verbal phrase is a syntactic unit composed of at least one verb and its dependents (objects, compl...

Prepositions are any class of non-inflecting words typically employed to connect a following noun an...

A date is an addition to a writing, inscription involving the time especially the day, month, and ye...

The present perfect is a grammatical combination of the present tense and perfect aspect that is use...

The simple present is the most commonly used verb form in English. The simple present is basically f...

The present progressive or present continuous is a verb form that combines the present tense with th...

A relative pronoun is a grammatical word that links a subordinate clause and the main clause. In add...

People travel, more and more, to natural areas. Some observers wonder whether ecotourism is simply a...

Writing an essay is an awesome exercise that needs technical knowledge. Its methodology involves 5 s...

A renewable resource is a resource that can be used repeatedly and replaced naturally. Natural and r...

The increasing demand of energy resources of humans imply nine major areas of energy resources. They...