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Tuesday, November 18, 2014

What is Present perfect tense?

The Present Perfect Tense is formed with a present tense form of ‘to have’ plus the past participle of the verb (which can be either irregular or regular in form). This tense indicates either that an action was completed (finished or ‘perfected’) at some point in the past or that the action extends to the present.
 
*The Present Perfect is used:-

(1)To indicate completed activities in the immediate past (with just); as,

He has just gone out
He has just struck ten.

(2)To express past actions whose time is not given and not definite; as,

Have you read Gulliver’s travels?
I have never known him to be angry.
Mr.Hari has been to Japan.

(3)To describe past events when we think more of their effect in the present than of the action itself; as,

Gopi has eaten all the biscuits (i.e., there aren’t any left for you).
I have cut my finger (and it is bleeding now).
I have finished my work (now I am free).

(4)To denote an action beginning at some time in the past and continuing up to the present moment (often with since-and for-phrases); as,

I have known him for a long time
He has been ill since last week.
We have lived here for ten years.
We haven’t seen Padma for several months.

*The following adverbs or adverb phrases can also be used with the present perfect(apart from those mentioned above):never, ever(In questions only),so far, till now, yet(in negatives and questions),already,today,this week, this moment,etc.

Note: The Present Perfect is never used with adverbs of past time. We should not say, for example, ‘He has gone to Kolkata yesterday’. In such cases the simple past should be used (‘He went to Kolkata yesterday’).


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Saturday, November 15, 2014

What is Present continuous tense?

The present continuous tense is formed from the present tense of the verb be and the present participle (-ing form) of a verb.

It is used to express a continued or ongoing action at present time. It expresses an action which is in progress at the time of speaking. For example, a person says, “I am writing a letter”. It means that he is in the process of writing a letter right now. Such actions which are happening at time of speaking are expressed by present continuous tense. Present Continuous tense is also called Present progressive tense.

Use of present continuous tense

We use the present continuous tense for the following reason

(1) For something that is happening at the moment of speaking:

I am just leaving work. I shall be home in an hour.
Please be quiet. The headmaster is coming.

(2) For something which is happening before and after a given time:

At nine o’clock we are usually having breakfast. 
When I get home the students are doing their homework.

(3) For something which we think is temporary:

Karim is at university. He is studying history.
I am working in Canada for the next two weeks.

(4) For something which is new and contrasts with a previous state:

These days most people are using email instead of writing letters.
What sort of dresses are teenagers wearing nowadays? 
What sort of music are they listening to?

(5) To show that something is changing, growing or developing:

The children are growing quickly.
The world is changing rapidly.
Your English is improving.

(6) For something which happens again and again:

It is always raining in Canada.
Rahim is great. He is always laughing.

Note: We normally use always with this use.

 (7) For something which has been arranged or planned:

Harry is going to a new school next term. 
What are you doing next week?  

The following verbs, on account of their meaning, are not normally used in the continuous form:-

(1) Verbs of perception, e.g., see, hear, smell, notice, recognize.
(2) Verbs of appearing, e.g., appear, look, seem.
(3) Verbs of emotion, e.g., want, wish, desire, feel, like, love, hate, hope, refuse, prefer.
(4) Verbs of thinking, e.g., suppose, believe, agree, consider, trust, remember, and forget.
(5) Have (Possess), own, belong to, contain, consist of etc.


N.B:If this article helps you please make a comment here.