III - PRESENT PERFECT COM SINCE E FOR
Usamos o present perfect com SINCE e FOR para falar de uma ação que começou no passado e continua no presente.
Examples:
- I have studied English since 5th grade. (estudo inglês desde a 5ª série)
- I have studied English for four years. (estudo inglês há 4 anos)
Usamos since quando queremos dizer o início da ação começou, usamos for quando vamos dizer há quanto tempo ela está acontecendo. Portanto, a regra é:
since = o início do período de tempo
for = o período de tempo
Exercise C - Write sentences to say how long these things have happened.
Use since or for and the expressions from the box.
drive / he was 18
play the piano / 2003
be a doctor / 20 years
swim / 40 minutes
work as a teacher / 1995
Example:
She has worked as a teacher since 1995.
Exercise D - Complete the sentences with since or for.
- I've been in this office ______ February.
- They are hungry. They haven't eaten anything ______ they arrived here.
- He has had this book ______ only one week, and it's already caused me a lot of trouble.
- Dad has been in his office ______ two hours. You must be tired.
Exercise E - Answer these questions. Start with since or for:
- How long has it been your teacher?
- How long has Cristiane been your best friend?
- How long have you had your backpack?
- How long have you lived at your present address?
