como se usa Since

SINCE


Se usa como una referencia a un punto de tiempo cuando algo empezó. En español suele decirse ‘desde’ o ‘desde que’.

We’ve had this car since January / Tenemos este coche desde enero.

Como se forma el preterito perfecto

¿COMO SE FORMA EL PRETÉRITO PERFECTO?

Tiempo verbal que se utiliza para expresar acciones que han tenido lugar en el pasado, pero en un pasado muy reciente.

Se forma con el presente del verbo (to) have, has o have + el participio del verbo de la acción: Regular (Infinitivo+ed) o Irregular (tercera columna de la lista de verbos irregulares).

Ej.: I have played with your sister. ( He jugado con tu hermana ).

Forma negativa del Préterito Perfecto: Sujeto+ has not o hasn't /have not o haven't + Verbo de la acción en participio + Complementos.

Ej.: I have not played with your sister ( No he jugado con tu hermana )

Forma interrogativa del Pretérito Perfecto: Has/Have+ Sujeto+ Verbo de la acción en participio+ Complementos.

Ej.: Have you played with my sister? ( ¿has jugado con mi hermana?)

present perfect

actvidad 1

1 Never they have said hello to me .

They have never said hello to me

2 Have you been ever in a Chinese restaurant? .

Have you ever been in a Chinese restaurant?

3 My dad has buy a new mobile phone .

My dad has bought a new mobile phone

4 Paul haven't found his keys .

Paul hasn't found his keys

5 How long has you waited for me? .

How long have you waited for me?

6 Have she ever talked to you? .

Has she ever talked to you?

7 I haven't sleep for three days .

I haven't slept for three days

8 Have you read "el Quijote"? No, I hasn't .

Have you read "el Quijote"? No, I haven't

9 I haven't study much this weekend .

I haven't studied much this weekend

10 Why have she gone to America? .

Why has she gone to America?

Present perfect

Present Perfect
FORM

[has/have + past participle]

Examples:

* You have seen that movie many times.
* Have you seen that movie many times?
* You have not seen that movie many times.

Complete List of Present Perfect For

vocabulario de la unidad 6

UNIT 6

-Bungee jumping: puenting.
-Kayaking: kayak.
-Mountain biking: bicicleta de montaña.
-Roller blanding: patinaje (en línea).
-Snorkelling: buceo (con tubo).
-Water-skiing: esquí acuático.
-Hand-glinding: ala delta.
-Parachuting: paracaidismo.
-Rock-climbing: escalada.
-Skateboarding: monopatín.
-Snowboarding: snow.
-Windsurfing: windsurf.

vocabulario de la udidad 4

UNIT 4
-Clear the floor: fregar el suelo.
-Do the ironing: planchar.
-Do the washing: hacer la colada.
-Make your bed: hacer la cama.
-Tidy your room:ordenar la habitación.
-Do the cooking: cocinar.
-Do the shopping: hacer la compra.
-Hoover the carpets: pasar la aspiradora.
-Take the rubbish out: sacar la basura.
-Wash he dishes: fregar los platos.

FOR or sincer

FOR and SINCE

We use Present Perfect tense to talk about action which started in the past and continues up to the present.

Examples
I have had this computer for about a year.
How long have you been at this school?
I haven't seen Julia since September.

Tip! For other uses of the Present Perfect tense, see the Present Perfect Tense - When To Use.

We use for with a period of time, for example: a few days, half an hour, two years. We use since with the time when the action started, for example: last year, June 8, I met you.


Examples:

1. Mercé went to Barcelona on Monday. (be)

Mercé has been to Barcelona since on Monday.

2. Dave bought that CD player six months ago. (have)

Dave has had that CD player for six months .

3. We arrived here at five o'clock. (be)

We have been here since five o'clock.

4. Manolo came to this school three years ago. (be)

Manolo has been to this school for three years.

5. I came to this town five years ago. (live)

I have lived to this town for five years.