Learning English - Present Perfect Tense

the present perfect is used to tell events that have been held but that there still be a connection held with the present day <-> the formulations you have to addhere to are:

1. Positive: S + have/has + V3 + Object

2. Negative: S + have/has + Not + V3 + Object

3. Interrogative: Have/has + S + V3 + Object

4. Active And Passive Voice: S + Have/Has + Verb 3 + Object = Object + Have/Has + Been + Verb 3

Read the following carefully

1. Positive: S + have/has + V3 + Object

- i have already finished my homework (i have= i've).
- she has read that book (she has= she's).
- you have made it bro (you have= you've)
- they have married (they have= they've)

2. Negative: S + have/has + Not + V3 + Object

- i have not already finished my homework (i haven't).
- she has not read that book (hasn't).
- you have not made it bro.
- they have married.

3. Interrogative: Have/has + S + V3 + Object

- have i already finished my homework ?.
- has she read that book ?.
- have you made it bro ?.
- have they married ?.

4. Active And Passive Voice: S + Have/Has + Verb 3 + Object = Object + Have/Has + Been + Verb 3

Active:

- i have already finished my homework.
- she has read that book.
- you have made it.
- they have bought a new car.

passive:

- my home work has already been finished by me.
- that book has been read by her.
- it has been made by you.
- a new car has been bought by them.

<- ........ ........ Have for use with i, you, we, they. While has is for use with she, he, it ........ ........ ->

An Advanced Information

1. Use this form thatto tell events that have been done but that there still be a connection with the present day/have just been done or are done when we're discoursing on.

Example:

- i have sent the letter to you (you're not writing for anymore when you're in such a condition).
- they have bought a new car yesterday.
- she has published a new post again.
- Etc

2. To tell events that have been done but that are still going on at time we make the conversation.

Example:

- I have been at this school since 1970.
- you have studied a long day.
- she has soapt for 10 hours.
- Etc.