Use of Primary Auxiliaries

    1. Use of the Verb 'to be (am, is, are, was, were, : be, being, been)'
     a. They are used in the continuous tense. Continuous tense-এ এদের ব্যবহার । 
          i. I am waiting for you. Are you waiting for me?
          ii. We were singing a song.
          iii. My uncle was walking in the garden.
          iv. She is watching television. 
    b. They are used in passive voice. এসব verb ছাড়া active voice থেকে passive voice- এ রুপান্তরিত করা যায় না ।
          i. I am loved by my elder brother.
          ii. I was loved by my elder brother.
          iii. We were beaten by our headmaster.
          iv. The work is being done by me.
    c. They are used as the Main Verb to refer to a position and quality. গুণাগুণ ও অবস্থান নির্দেশনায় এরা Main Verb হিসেবে ব্যবহৃত হয় ।
          i. He is a teacher.
          ii. They are very rich.
          iii. He was very poor.
          iv. The children were always obedient to the teachers.
    2. Use of the Verb 'to do (does, do, did : to do, doing, done)'
     a. They are used to form negative. না সূচক বাক্য গঠনে এগুলি ব্যবহার করা হয় ।
          i. It does not rain here everyday.
          ii. I do not know him.
          iii. You did not try to play well.
    b. They are used to form questions. প্রশ্নবোধক বাক্যে ব্যবহার করা হয় ।
          i. Does it rain here everyday?
          ii. Do you know him?
          iii. Did they play football?
    3. Use of the Verb 'to have (has, have, had : to have, having, had)'
     a. These are used to form perfect tense. এগুলি perfect tense-এ ব্যবহার করা হয় ।
          i. The secretary has submitted necessary papers to the chairman.
          ii. We shall have completed the work before the sun sets.
          iii. They had left for Dhaka before the school re-opened.
    b. They are used as Main verbs of possession. এগুলি কর্তার কিছু 'আছে' অথবা 'ছিল' অথবা 'থাকবে'  বুঝাতে ব্যবহার হয় ।
          i. He has money enough to build a house like this.
          ii. You have capital to start the business.
          iii. I had a camera but it is lost.
          iv. The money I had is all spent.