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Multiple Actions at Different Times
Posted by admin on 16 Jul 2008 | Tagged as: Uncategorized
We also use the Present Perfect to talk about several different actions which have occurred in the past at different times. Present Perfect suggests the process is not complete and more actions are possible.
Examples:
- The army has attacked that city five times.
- I have had four quizzes and five tests so far this semester.
- We have had many major problems while working on this project.
- She has talked to several specialists about her problem, but nobody knows why she is sick.
An Uncompleted Action You Are Expecting
Posted by admin on 16 Jul 2008 | Tagged as: Uncategorized
We often use the Present Perfect to say that an action which we expected has not happened. Using the Present Perfect suggests that we are still waiting for the action to happen.
Examples:
- James has not finished his homework yet.
- Susan hasn’t mastered Japanese, but she can communicate.
- Bill has still not arrived.
- The rain hasn’t stopped.
Accomplishments
Posted by admin on 16 Jul 2008 | Tagged as: Uncategorized
We often use the Present Perfect to list the accomplishments of individuals and humanity. You cannot mention a specific time.
Examples:
- Man has walked on the Moon.
- Our son has learned how to read.
- Doctors have cured many deadly diseases.
- Scientists have split the atom.
Change Over Time
Posted by admin on 16 Jul 2008 | Tagged as: Uncategorized
We often use the Present Perfect to talk about change that has happened over a period of time.
Examples:
- You have grown since the last time I saw you.
- The government has become more interested in arts education.
- Japanese has become one of the most popular courses at the university since the Asian studies program was established.
- My English has really improved since I moved to Australia.
Experience
Posted by admin on 16 Jul 2008 | Tagged as: Uncategorized
You can use the Present Perfect to describe your experience. It is like saying, “I have the experience of…” You can also use this tense to say that you have never had a certain experience. The Present Perfect is NOT used to describe a specific event.
Examples:
- I have been to France.
This sentence means that you have had the experience of being in France. Maybe you have been there once, or several times. - I have been to France three times.
You can add the number of times at the end of the sentence. - I have never been to France.
This sentence means that you have not had the experience of going to France. - I think I have seen that movie before.
- He has never traveled by train.
- Joan has studied two foreign languages.
- A: Have you ever met him?
B: No, I have not met him.
Unspecified Time Before Now
Posted by admin on 16 Jul 2008 | Tagged as: Uncategorized
We use the Present Perfect to say that an action happened at an unspecified time before now. The exact time is not important. You CANNOT use the Present Perfect with specific time expressions such as: yesterday, one year ago, last week, when I was a child, when I lived in Japan, at that moment, that day, one day, etc. We CAN use the Present Perfect with unspecific expressions such as: ever, never, once, many times, several times, before, so far, already, yet, etc.
Examples:
- I have seen that movie twenty times.
- I think I have met him once before.
- There have been many earthquakes in California.
- People have traveled to the Moon.
- People have not traveled to Mars.
- Have you read the book yet?
- Nobody has ever climbed that mountain.
- A: Has there ever been a war in the United States?
B: Yes, there has been a war in the United States.
ACTIVE / PASSIVE
Posted by admin on 16 Jul 2008 | Tagged as: Uncategorized
The examples below show the placement for grammar adverbs such as: always, only, never, ever, still, just, etc.
Examples:
- You were just studying when she called.
- Were you just studying when she called?
REMEMBER Non-Continuous Verbs / Mixed Verbs
Posted by admin on 16 Jul 2008 | Tagged as: Uncategorized
It is important to remember that Non-Continuous Verbs cannot be used in any continuous tenses. Also, certain non-continuous meanings for Mixed Verbs cannot be used in continuous tenses. Instead of using Past Continuous with these verbs, you must use Simple Past.
Examples:
- Jane was being at my house when you arrived. Not Correct
- Jane was at my house when you arrived. Correct
While vs. When
Posted by admin on 16 Jul 2008 | Tagged as: Uncategorized
Clauses are groups of words which have meaning, but are often not complete sentences. Some clauses begin with the word “when” such as “when she called” or “when it bit me.” Other clauses begin with “while” such as “while she was sleeping” and “while he was surfing.” When you talk about things in the past, “when” is most often followed by the verb tense Simple Past, whereas “while” is usually followed by Past Continuous. “While” expresses the idea of “during that time.” Study the examples below. They have similar meanings, but they emphasize different parts of the sentence.
Examples:
- I was studying when she called.
- While I was studying, she called.
Repetition and Irritation with “Always”
Posted by admin on 16 Jul 2008 | Tagged as: Uncategorized
The Past Continuous with words such as “always” or “constantly” expresses the idea that something irritating or shocking often happened in the past. The concept is very similar to the expression “used to” but with negative emotion. Remember to put the words “always” or “constantly” between “be” and “verb+ing.”
Examples:
- She was always coming to class late.
- He was constantly talking. He annoyed everyone.
- I didn’t like them because they were always complaining.