The concept of present continuous is used to refer to a verbal tense of the language English . Called present continuous In its original language, it can also be called present progressive (present progressive).
The present continuous is used for the description of a action what is being developed at the same time of the statement . For example: “The dog is barking”. This sentence, which can be translated as "The dog is barking", refers to an act that is simultaneous with the expression.
This tense also allows you to name an activity that takes place in the I presented , although not at that precise moment: “I'm learning French” ("I am learning French"). Whoever enunciates the message, in this case, indicates that he is immersed in a French learning process, but that does not mean that he is "Learning" just when he is speaking.
Refer to something that it has been decided or confirmed to do in the future On the other hand, it is possible thanks to the present continuous: “Rachel is coming to the town next week” (“Rachel is coming to town next week”).
As can be seen in all these examples, the present continuous is formed with the verb to be conjugated in simple present , plus another verb expressed in gerund which ends in -ing.
Affirmative sentences, thus, are composed with the subject + the auxiliary verb (to be) + the verb in gerund ending in -ing: “He is reading a book”. In negative sentences, on the other hand, the negative auxiliary to the verb to be (“The man is not talking”).