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Present perfect simple and present perfect continuous, Present perfect…
Present perfect simple and present perfect continuous
Present perfect simple
Focuses on how much of an activity is complete
Focuses on how many times an action has been repeated
Emphasises the result
PRESENT PERFECT VIDEO
QUESTION
Verb auxiliar have/has + Subject + Verb in participle + Complement + ?
NEGATIVE
Subject + Aux. have + not + Verb participle
POSITIVE
Subject + Aux. have + Verb participle
Scientific articles
Present perfect continuous
Emphasises the action
Focuses on how long an activity has been in progress
Focuses on the process of change over a period of time and that the changes are not finished
Positive
Subject + have/has + been + verb in -ing
Negative
Subject + have/has + not + been + verb in -ing
Questions
Have/has + subject + been + verb -ing + complement + ?
Present perfect simple
https://www.iasj.net/iasj/download/5e4b59a234423f2d
https://www.researchgate.net/publication/275600204_Pragmatic_interpretation_of_the_English_present_perfect
http://www.ijaes.net/article/FullText/9?volume=2&issue=1
Present Perfect continuous
https://uapa.cuaieed.unam.mx/avi/ing_6/U_1/ing6_u1_t2/index.html
https://recursoseducativos.unam.mx/handle/123456789/21274
https://recursoseducativos.unam.mx/handle/123456789/21333
https://www.jstor.org/stable/3586101
Live as if you were to die tomorrow. Learn as if you were to live forever.
Mahatma Ghandi
Quintana Stefania
PRESENT PERFECT CONTONUOUS VIDEO
(
https://www.youtube.com/watch?v=rgpwNOj8My4
)
(
https://www.youtube.com/watch?v=553eeL1Dvho
)
