Page 29 - Success Plus English Language and Literature Class 10
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Grammar Concepts




                                                     Tenses




            Verbs change their forms according to the time             Affirmative              Negative
            they express. Hence we have various tenses. The      I walk.                 I do not walk.
            three tenses in English are the present tense, the
            past tense and the future tense.                     You walk.               You do not walk.
                                                                 She walks.              She does not walk.
            The Present Tense                                   When forming questions with the verb be, the

            Simple Present Tense                                verb comes before the noun or pronoun.
                                                                    I am a teacher. ~ Am I a teacher?
            In the simple present tense, the verb changes
            according to the subject.                               You are a teacher. ~ Are you a teacher?
                                                                    Samantha is a teacher. ~ Is Samantha a
               I write.   She writes.     We write.                 teacher?

            Most verbs add an -s or -es when used in the        For most other verbs, the interrogative is formed
            present tense with the third person singular or     by using do or does at the beginning of the
            with a singular countable noun.                     question and changing the main verb to its base

                                Singular         Plural         form.

             first person    I read; I go    we read; we            I eat rice. ~ Do I eat rice?
                                             go                       Gokul writes beautifully. ~ Does Gokul write

             second person   you read; you  you read; you           beautifully?
                             go              go                        Declarative            Interrogative

             third person    she/he/it       they read;
                             reads; she/he/  they go             I walk.                 Do I walk?
                             it goes                             You walk.               Do you walk?
                                                                 She walks.              Does she walk?
            The verb be, however, has different forms in the
            simple present.                                        Interrogative      Negative Interrogative
                                 Singular         Plural         Do I walk?       Do I not walk?/Don’t I walk?

             first person     I am            we are             Do you walk?     Do you not walk?/Don’t you
                                                                                  walk?
             second person    you are         you are
                                                                 Does she walk?  Does she not walk?/Doesn’t
             third person     she/he/it is    they are                            she walk?

            To form the negative of the verb be, add not        The simple present tense is used in the
            after the verb.                                     following cases:
               I am not a liar.                                          Uses                  Examples
               You are not a liar.                               to talk about a       •   They go to St. Paul’s
               She is not a liar.                                habitual or routine      School.

            For most other verbs, the negative is formed by      action                •   I go to church every
            using do not or does not before the base form of                              Sunday.
            the main verb.


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