G3: Verbs II - Present Perfect: for /since

G3: Verbs II - Present Perfect ... for / since

by Tom Rohrbach

With the 'present perfect' verb tense, we often use "for" or "since".

Do you know the difference? Let's find out and practice...

PRESENT PERFECT with "for" or "since"
	since	for
TIME →	includes a starting time, before now	describes a period of time, until now
EXAMPLES →	since this morning; since 2003; since last week since Tuesday; since three years ago; since I was born	for two weeks; for a year; for a few minutes; for a long time for one hour; for a while; for several weeks

We have lived in Denver __ 2007.
1. for
2. since
I have known my friend Sam __ many years.
1. for
2. since
I have known my friend Debby __ 1995.
1. for
2. since
That elevator has been broken __ last Friday.
1. for
2. since
My parents have lived in the same house __ a long, long time.
1. for
2. since
Our boss hasn’t taken a vacation __ his first year at the company.
1. for
2. since
Mike and Julia met in 1980, and they have been friends __ then.
1. for
2. since
Snowboarding has been known in the United States __ the 1960s, when the modern snowboard was invented.
1. for
2. since
Katrina hasn’t seen her family __ over three years.
1. for
2. since
Les has worked as a physical therapist __ 7 months ago.
1. for
2. since
Cindy has only been in the coffee shop __ a little while.
1. for
2. since
Edgar has done three levels at Spring International __ he came to Colorado in March.
1. for
2. since
The Earth has gone around the Sun __ billions of years.
1. for
2. since
Zooey left her country in 2002, and she has lived in 6 different places __ that time.
1. for
2. since