Present perfect simple

present perfect simple, grammar structure of present perfect simple.
uses of present perfect tense

1. PRESENT PERFECT SIMPLE In this presentation you will learn how to use present perfect simple and you will be able to produce sentence correctly . This plant has grown five centimeters in a week.

2. USES For actions which happened in the past , but the time is not mentioned exactly . For actions that happened in the past and their results are obvios in the present. Examples : Anna has bought a bunch of flowers . They have made a cake of chocolate. We have walked around the park . ( we are exhausted ) Adelle has washed her car. (It is clean now )

3. GRAMMATICAL RULES We form present perfect simple with the auxiliar verb have/ has. We use verbs in past participle . We uses has with We use have with She I He You It They We Karime and Rafael have caught the mouse. Melina has awoken pretty hungry. Esteban has worked in a international firm . Irregular verbs Base form Past simple Past participle awake awoke awoken be was /were been blow blew blown catch caught caught The past participle of regular verbs is the same as the past simple, we only add – ed (work-worked, save-saved).

4. Grammar s tructure Affirmative form Full form Subject + have/has + past participle + complement John has traveled to Ciudad del Cármen. Short form John’s traveled to Ciudad del Cármen. John’s = John has Negative form Full form Subject + have/ has not + past participle + complement John has not traveled to Ciudad del Cármen. Short form John hasn’t traveled to Ciudad del Cármen h asn’t = has not Interrogative form have/has + past participle + complement + ? Has John traveled to Ciudad del Cármen? Full answer Yes he has No he has not Short answer No he hasn’t

5. TIME EXPRSSIONS always - ever – never – before – once - twice , etc. I never travelled by plane . My female riend always has saved money . We eaten pizza twice a week .

6. BIBLIOGRAPHY Murphy. R. (Third edition). (2007). Essential grammar in use. United Kingdom: Cambridge University Press Wood ward. (2003). Present perfect tense. Retrieved from: http ://www.grammar.cl/Present/Perfect_Tense.htm Created by: Arely Balan – Mónica Charles – Isabel Morón – Ruth Salas