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Araştırma Görevlisi
How do we make the Present Perfect Tense?
I have sung
Subject + have + past participle
Here are some examples of the present perfect tense:
Connection with past: the situation started in the past.
Connection with present: the situation continues in the present.
Contractions with the present perfect tense
When we use the present perfect tense in speaking, we usually contract the subject and auxiliary verb. We also sometimes do this when we write.
Here are some examples:
* I've finished my work.
* John's seen ET.
* They've gone home.
How do we use the Present Perfect Tense?
This tense is called the present perfect tense. There is always a connection with the past and with the present. There are basically three uses for the present perfect tense:
1. experience
2. change
3. continuing situation
1. Present perfect tense for experience
We often use the present perfect tense to talk about experience from the past. We are not interested in when you did something. We only want to know if you did it:
Connection with past: the event was in the past.
Connection with present: in my head, now, I have a memory of the event; I know something about the event; I have experience of it.
2. Present perfect tense for change
We also use the present perfect tense to talk about a change or new information:
Connection with past: the past is the opposite of the present.
Connection with present: the present is the opposite of the past.
3. Present perfect tense for continuing situation
We often use the present perfect tense to talk about a continuing situation. This is a state that started in the past and continues in the present (and will probably continue into the future). This is a state (not an action). We usually use for or since with this structure.
For & Since with Present Perfect Tense
We often use for and since with the present perfect tense.
* We use for to talk about a period of time - 5 minutes, 2 weeks, 6 years.
* We use since to talk about a point in past time - 9 o'clock, 1st January, Monday.
Here are some examples:
* I have been here for 20 minutes.
* I have been here since 9 o'clock.
* John hasn't called for 6 months.
* John hasn't called since February.
* He has worked in New York for a long time.
* He has worked in New York since he left school.
# For and Since for Time
I have sung
Subject + have + past participle
Here are some examples of the present perfect tense:
Connection with past: the situation started in the past.
Connection with present: the situation continues in the present.
Contractions with the present perfect tense
When we use the present perfect tense in speaking, we usually contract the subject and auxiliary verb. We also sometimes do this when we write.
Here are some examples:
* I've finished my work.
* John's seen ET.
* They've gone home.
How do we use the Present Perfect Tense?
This tense is called the present perfect tense. There is always a connection with the past and with the present. There are basically three uses for the present perfect tense:
1. experience
2. change
3. continuing situation
1. Present perfect tense for experience
We often use the present perfect tense to talk about experience from the past. We are not interested in when you did something. We only want to know if you did it:
Connection with past: the event was in the past.
Connection with present: in my head, now, I have a memory of the event; I know something about the event; I have experience of it.
2. Present perfect tense for change
We also use the present perfect tense to talk about a change or new information:
Connection with past: the past is the opposite of the present.
Connection with present: the present is the opposite of the past.
3. Present perfect tense for continuing situation
We often use the present perfect tense to talk about a continuing situation. This is a state that started in the past and continues in the present (and will probably continue into the future). This is a state (not an action). We usually use for or since with this structure.
For & Since with Present Perfect Tense
We often use for and since with the present perfect tense.
* We use for to talk about a period of time - 5 minutes, 2 weeks, 6 years.
* We use since to talk about a point in past time - 9 o'clock, 1st January, Monday.
Here are some examples:
* I have been here for 20 minutes.
* I have been here since 9 o'clock.
* John hasn't called for 6 months.
* John hasn't called since February.
* He has worked in New York for a long time.
* He has worked in New York since he left school.
# For and Since for Time
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