2 Past simple or present perfect –key

What's the rule?
A. 1. Joe 2. Helen
B. 1. Joe 2. HeleN
C. 2. Present perfect.
D. 2
REMEMBER
1. pp 2. ps 3. pp 4. pp

Practice exercises
1. 1 a 2 b
2.(2) did (3) was (4) have been (5) have you travelled(6) I have been to(7) I went to
(8) have you visited (9) no, I haven’t (10) Have you made...? (11) I have made(12) I bought.
3. 2 f 3 a 4 b 5d 6e.
4.2 right 3has lived 4 decided 5 have visited.
5. 3 I have been... for 2 years. 4 I met... a year ago. 5 She has lived.... for 3 years. 6 we bought...

KEY JUST, ALREADY, STILL & YET

1. just
2. already
3. still
4. yet
5. just
6. just
7. yet, already
8. yet
9. still
10. still
11. yet
12. already
13. still
14. still
15. yet
16. still
THE PAST SIMPLE OR THE PRESENT PERFECT
A. Past simple
2. A specified time in the past.
Ago, when yesterday.
Present perfect
3. an action which began in the past and continues
4. an unspecified time in the past.
ever, since, yet.
B. 1 haven't seen. 3
2. saw. 2
3. went. 2
4. found 1/2
5. have you ever been.4
6. have lived. 3
7. lived. 1
8. met. 2
9. has lost. 3
10. has opened. 3
11.thought.1
12. have you fed? 4
13. played. 2
14. did you download? 2