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Coronary Heart Disease

Szerző: Syaida Hamzah

Geoffrey Chaucer The Periods of his Literary Production:

Szerző: Scuola Maruzzelli

The Present Perfect Tense

Szerző: Mariateresa Puglisi

BIOLOGICAL DEVELOPMENT AND HEALTH

Szerző: Jigena Yishabeir

For irregulars verbs, use the participe form and for regulars verbs just add "ed".

Para los verbos irregulares se utiliza el participio y para los verbos regulares hay que añadir "ed"

used of Present Perfect:

Puts emphasis on the result: ·Example: She has written five letters. ·Actions that in still goig on: ·Example: School has not started yet. Actios that stopped recently: ·Example: She has cooked dinner Finished action that has an influence on the present: ·Example: I have lost my key. Action that has taken place once, never or several times before the moment of speaking: ·Example: I have never been to Australia.

Pone énfasis en el resultado

·Ejemplo:Ha escrito cinco cartas.

Acción que todavía continúa

·Ejemplo: La escuela no ha empezado todavía.

Acción que dejó recientemente

·Ejemplo: Se ha cocinado la cena

Acción terminado que tiene una influencia en la presente

·Ejemplo: He perdido mi llave.

Acción que ha tenido lugar una vez, nunca o varias veces antes de que el momento de hablar:

·Ejemplo: Yo nunca he estado en Australia.

The Present Perfect Simple expresses an actions that is still going on or that stopped recently, but has an influence on the present.

El Preterito Perfecto Compuesto expresa una acción que esta todavía en curso o que se debutó hace poco, pero tiene una influencia en el presente.

Present Perfect Simple

Exercise

Exercise on Present Perfect Simple

have or has:

I ___ answered the question.

She ___ opened the window.

They ___ called us.

You ___ carried a box.

It ___ rained a lot.

We ___ washed the car.

He ___ closed the window.

Jenny ___ locked the door.

The girls ___ visited the museum.

John and Sophie ___ helped in the garden.

Exercise on Present Perfect Simple:

I (not / work) ______ today.

We (buy)_____ a new lamp.

We (not / plan)______ our holiday yet.

Where (be / you)_____ ?

He (write) _____five letters.

She (not / see) _____him for a long time.

(be / you)_____ at school?

School (not / start) ____yet.

(speak / he) _____to his boss?

No, he (have / not)_____ the time yet.

Time Expresions

Just Ever Since Yet Never For Already

Solo, algunas veces, desde, aún, nunca, para, ya.

Donde se sitúan:

·Just, Already, Never and Ever: se escribe entre el auxiliar y el participio pasado.

·For and since: Se escribe delante de las expresiones de tiempo y al final de la frase.

·Yet: Sólo se escribe al final de la frase.

Interrogative

Have they written a letter?

Short answers:

Yes,I (You,We,You,They) have

No, he (She,It) hasn't

¿Han escrito una carta?

Si

No

Negative

She hasn't written a letter

Ella no ha escrito una carta.

Affirmative

I have written a letter

He escrito una carta.