Students recognize the structure of present perfect vs simple past through time expressions

2. SinceSince is used for:
start of the time
a particular time
Since Monday
PresentPast
Monday
start of the time

4. I have been in the office since 9 o’clock.
I have lived in Buffalo since 2006.
She has known John since December 12th.
We haven’t taken a test since last week.
I have had a driving license since I was 18.
They have taken this class since January.
It hasn’t snowed since two weeks ago.

5. For is used for:
 a period of time
 a duration of time
1 2 3 4
For four days
PresentPast

7. I have waited for my friend for an hour.
I have studied English for a month.
It hasn’t snowed for more than two weeks.
Have you been in Buffalo for a long time?
She has been in Canada for five years.
My boyfriend has been sleeping for 15 hours
We have been married for 12 years
I have talked with my mother for 10 minutes.

8. I have had this book _______ March 1st
.
I have had this book _______ two weeks.
I have been in Perú _______ 2006.
I have been in Perú _______ a year.

9. Use the Simple Past to express the idea that an
action started and finished at a specific time in
the past. Sometimes, the speaker may not
actually mention the specific time, but they do
have one specific time in mind.

10.  AFFIRMATIVE SENTENCES
SUBJECT COMPLEMENTVERB IN PAST TENSE
REGULAR VERBS IRREGULAR VERBS
INFINITIVE + ed
WALK ------- WALKED
WATCH ----- WATCHED
LISTEN ----- LISTENED
GIVE ----- GAVE
LEAVE ----- LEFT
SEND ---- SENT

12.  NEGATIVE SENTENCES
SUBJECT DIDN’T INFINITIVE
I
YOU
HE
SHE
IT
THEY
WE
WALKDIDN’T
SHE DIDN’T WALK

13.  AFFIRMATIVE SENTENCES  NEGATIVE
SENTENCES
HE WALKED IN THE SNOW HE DIDN’T WALK

14.  INTERROGATIVE
DID INFINITIVESUBJECT
DID STUDY?
I
YOU
HE
SHE
IT
THEY
WE
DID SHE STUDY?

15. SHE
HE
THEY
PLAY
PLAYEDBASEBALL
VOLLEYBALL
TENNIS
AFFIRMATIVE SENTENCE
NEGATIVE SENTENCE
DIDN’T