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THE USES AND FORMATION OF THE ENGLISH VERB TENSES
The Uses of the English Tenses

Type of Tense Type of Action Expressed
Simple – actions occurring at regular intervals
  – general truths, or situations existing for a period of time
  – non-continuous actions
   
Continuous – continuous, ongoing actions
   
Perfect – non-continuous actions completed before a certain time
   
Perfect Continuous – continuous, ongoing actions completed before a certain time

The Formation of the Indicative Mood of the Active Voice

Tense Auxiliary Verb Form
Simple Present do/does * bare infinitive **
Present Continuous am/is/are present participle
Present Perfect have/has past participle
Present Perfect Continuous have/has  been present participle
     
Simple Past did * bare infinitive *** (Devamini Okuyun…)

Ingilizcede Bağlaçlar

Conjunctions
A conjunction may be used to indicate the relationship between the ideas expressed in a clause and the ideas expressed in the rest of a sentence. The conjunctions in the following examples are printed in bold type.
e.g. We could go to the library, or we could go to the park.
      He neither finished his homework nor studied for the test.
      I went out because the sun was shining.

 
1. Coordinate conjunctions

Coordinate conjunctions are used to join two similar grammatical constructions; for instance, two words, two phrases or two clauses.
e.g. My friend and I will attend the meeting.
      Austria is famous for the beauty of its landscape and the hospitality of its people.
      The sun rose and the birds began to sing.

In these examples, the coordinate conjunction and is used to join the two words friend and I, the two phrases the beauty of its landscape and the hospitality of its people, and the two clauses the sun rose and the birds began to sing.

The most commonly used coordinate conjunctions are and, but and or. In addition, the words nor and yet may be used as coordinate conjunctions. In the following table, each coordinate conjunction is followed by its meaning and an example of its use. Note the use of inverted word order in the clause beginning with nor. (Devamini Okuyun…)