Basic Tenses: Irregular Verb

    This page shows the basic tenses with the irregular verb sing. It includes the affirmative or positive form (+), the negative form (-) and the interrogative or question form (?).
    The basic structure is:
    positive: +  subject + auxiliary verb + main verb
    negative: -  subject + auxiliary verb + not + main verb
    question: ?  auxiliary verb + subject + main verb
    These are the forms of the main verb that we use to construct the tenses:
    base verb past past participle present participle -ing
    sing sang sung singing
       past present future
    SIMPLE
    do + base verb
    (except future:
    will + base verb) + I did sing
    I sang I do sing
    I sing I will sing
    - I did not sing I do not sing I will not sing
    ? Did I sing? Do I sing? Will I sing?
    SIMPLE PERFECT
    have + past participle + I had sung I have sung I will have sung
    - I had not sung I have not sung I will not have sung
    ? Had I sung? Have I sung? Will I have sung?
    CONTINUOUS
    be + -ing + I was singing I am singing I will be singing
    - I was not singing I am not singing I will not be singing
    ? Was I singing? Am I singing? Will I be singing?
    CONTINUOUS PERFECT
    have been + -ing + I had been singing I have been singing I will have been singing
    - I had not been singing I have not been singing I will not have been singing
    ? Had I been singing? Have I been singing? Will I have been singing?

Post Title

Basic Tenses: Irregular Verb


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https://girlfashion-liphu.blogspot.com/2010/11/basic-tenses-irregular-verb.html


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