ESL 0823E Week 4 Present perfect part 4

1. Presentperfect
withfor andsince

2. Simple past
I lived
You lived
He/she/it lived
We lived
You lived
They lived
Present perfect
I have lived
You have lived
He/she/it has lived
We havelived
Youhave lived
They havelived

3. The past form describes a single, completed action at a
particular time in the past.
Yuki lived in Tokyo for ten years. (she doesn’t live there now.)
I met my friend Jack six years ago. (My sister introduced us. )
Roger arrived at 11:00. (He appeared at the office at a specific
time. )

4. The present perfect can describe an action that began in the
past but continues into the present.
Yuki has lived in San Francisco for three months. (she left Tokyo three
months ago. She came to San Francisco to live, and she lives there now.)
I have known my friend Jack for six years. (I met him in the past, and I
continue to know him and have him as a friend. )
Roger has been here for two hours. (He arrived at the office at 11:00. It is
now 1:00, and he is still here. )

5. The present perfect is formed with have/has +the
past participle of the verb.
I’ve had my cat Bob for four years.
She’s had her bird for a few months.
(Note: ‘s= has, not “is”)

6. Use how long to ask about time in a question. Use
for and since to talk about time.
How long have you studied English?
I’ve studiedEnglish for five years. (I continue to study En.)
How long has Hank played basketball?
He’s played basketball since October. (he still plays basketball.)

7. Use for to refer to duration of time.
For thirtyyears.
For twominutes.
For three days.
For twoweeks.
For a month.
For ten years.
For millions of years.
For a long time.
For manyyears.
Use since to refer to a particular time.
Since 4:00.
Since this morning.
Since lunch.
Since Monday.
Since August.
Since 2006.
Since I was a child.