Finding out about grammar


titulo

The verb tenses that we are going to see here are:

  • Present Perfect
  • Past Perfect
  • Future Perfect
  • Present Perfect Progressive
  • Past Perfect Progressive
  • Future Perfect Progressive
  • When two subjects are connected with both... and, always use a plural verb.

    12.1 Perfect Tenses

    The Perfect Tenses all give the idea that one thing happens before another time o revent.

    Present Perfect Tense

  • Subject + Have + Past Participle + Complement
  • The The Perfect Tense expresses the idea that something happened (or never happened) before now, at an unspecified time in the past. The exact time when it happened is not important.

    Example:

  • I have eaten.
  • Have you visitedMexico?
  • I have seen snow.
  • At some point in the past it happened.

    The Present Perfect Tense also expresses the repetition of an activity before now. The exact time of each repetition is not important.

    Example:

  • We have had four tests so far this semester.
  • I have written my wife a letter every other day for the last two weeks.
  • I have meet many people since I came here in June.
  • I have flown on an airplane many times.
  •         Exercise 1

    Complete the sentences using the correct structure and the verb in Past Participle.

    The Present Perfect Tense is used with for and since, to express a situation that b egan in the past and continues in the present.

  • Since= a particular time.
  • For= a duration of time.
  • Example:

  • I have been here since seven o'clock.
  • We have been here for two weeks.
  • I have had the same pair of shoes for three years.
  • I have liked cowboy movies ever since I was a child.
  • I have known him for many years.
  •         Exercise 2

    Complete the sentences using since or for. Then write the equivalent using the o ther word.

    examples:

  • I haven't seen your mother for eleven years.
  • Equivalent: I haven't seen your mother since 1988
  • Past Perfect Tense

  • Subject + had + Past Participle + Complement
  • The Past Perfect Tense expresses an activity that was completed before another a ctivity or time in the past.

    Examples:

  • I had already eaten when they arrived.
  • My parents had called five times by the time I got home.
  • Until yesterday, I had not heard about it.
  • Examples:

  • I ate before they arrived. = I had eaten when they arrived. (The same idea)
  • After they ate, I got home. = I got home when they had eaten. (The same idea)
  •         Exercise 3

    Change the following sentences using Past Perfect Tenses.

  • 1. We played soccer before they called.
  • 2. The baby ate before his nanny bathed him.
  • 3. We arrived at the party before he got drunk.
  • 4. He finished before they went to have lunch.
  • Future Perfect Tense

  • Subject + will + Have + Past Participle + Complement.
  • The Future Perfect Tense expresses a future finished action and another time in t he future.

    example:

  • I will have finished baking the cake when they arrive.
  • I will start to bake the cake tomorrow at 10:00; the total preparation time for the cake is 1 hour (until 11:00), they will arrive at 12:30, when they arrive I will have finished baking the cake.
  •         Exercise 4

    Fill in the blanks using Future Perfect Tense.

    12.2 Perfect Progressive Tenses

    The Perfect Progressive Tense gives the idea that one event is in progress immediately before, up to, until another time or event. The tenses are used to express the duration of the first event.

    Present Perfect Progressive Tense

  • Subject + Have + Been + (verb + ing) +Compliment.
  • The event is in progress (studying). When? Before now, for two hours.

    The Perfect Progressive Tense gives the idea that one event is in progress i mmediately before, up to, until another time or event. The tenses are used to e xpress the duration of the first event.

    Example:

  • I have been studying for two hours.
  • I started to study in the past, I am still studying now, I will keep on studying more.

            Exercise 5

    Fill in the blanks using Present Perfect Progressive Tense.

    Past Perfect Progressive Tense

  • Subject + had + been + (verb + ing) + Complement
  • The event was in progress (studying). When? Before another event in the present, f or two hours.

    Example:

  • I had been studying for two hours. (I finished studying).
  • Difference in Past Perfect Progressive and Present Perfect Progressive.

    For example, imagine that you meet Tomas at 11 am. Tomas says to you:
    "I am angry. I have been waiting for two hours."
    Later, you tell your friends:
    "Tomas was angry when I arrived. He had been waiting for two hours."

            Exercise 6

    Future Perfect Progressive Tense

  • Subject +will+ have + been + (verb + ing) +Complement.
  • The event will be in progress (studying). When? Before another event in the f uture.

    Example:

  • I will have been studying when they arrive.
  •         Exercise 7

    Fill in the following sentences using Future Perfect Progressive Tense.

            Exercise 8

    Practice all verb tenses. Identify each sentence.

            Exercise 9

    Practice all verb tenses. Identify each sentence.

            Exercise 10

    Use the Simple Past, Present Perfect and Past Perfect.

            Exercise 11

    Fill in the blanks using the correct tense.

            Exercise 12

    Use the Present Perfect Progressive in the following sentences.

            Exercise 13

    Use the Present Perfect or Simple Past in the following sentences.

    12.3 Other Uses for Verb Tenses (Will Vs. Going to)

    Some of the verb tenses have other uses that express different intentions or meanings.

    To Express a Prediction:
    To express a prediction/statement about something that someone thinks will be true or will occur in the future (guess or a prophecy) use either will or going to.

    Example:

      According to the weather report, it will be cloudy tomorrow.
      According to the weather report, it is going to be cloudy tomorrow.
     Be careful! You will hurt yourself.
      Watch out! You're going to hurt yourself

    To Express a Prior Plan:
    To express a prior/something the speaker intends (wants) to do in the Future b ecause he/she made a plan/ decision in the past to do it, use only going to.

    Examples:

  • Q= Are you busy this evening?
    A= Yes, I am going to meet Jack at the library at seven o'clock. We are going to study together.
    Q= Are you busy tonight?
    A= Well, I really haven't made any plans. I am going to eat dinner, and probably I'm going to watch TV.
    Q= Why did you buy this paint?
    A= I am going to paint my bedroom tomorrow.

    Robert is tired of taking the bus to work. He is going to buy a car.
  • To Express Willingness: To express willingness/intention (Volunteering to do something) use only Will.

    Examples:

  • The telephone is ringing, I will answer it. I do not understand this problem. Ask your teacher about it. She will help you with it.
  •         Exercise 14

    Fill in the blank with Will or Going to to express predictions.