Since
When do we use since?
We use SINCE with the starting point of when something happens and that continues until now.
parents/ 16 years./ My/ married/ for/have been
My parents have been married for 16 years.
I have ____________ (study) English in El Salvador for two years.
I have taught English in El Salvador for two years.
I have been living in Spain for/since 2012.
I have been living in Spain since 2012.
I have worked out since/for two months.
I have worked out for two months.
Give me the structure of the present perfect tense.
Subject+ have/has + verb pp + complement.
I/ here/ teacher/ as a/ have/ June./ since/ worked
I have worked here as a teacher since June.
When do we usen FOR?
FOR is used with a period of time.
I/ teacher/ role/ five minutes./ the/ taken/ of a/ have/ for
I have taken the role of a teacher for five minutes.
Give me a sentence using since.
He has been studying French, Portugues and English since 2015.
You have been talking ___________ 30 minutes.
You have been talking for 30 minutes.
Give me a sentence using the next pattern: Third person singular, present perfect, negative sentence.
He hasn't attended the meeting because he was sick.
My students have been studying ______ August for their final interview.
My students have been studying since August for their final interview.
Give me a sentence using FOR
The teacher has prepared her class for 50 minutes.
When do we use present perfect tense?
It is used to talk bout an action performed during a period that has not finished yet.