Respuestas
Hola, con respecto al primer ejercicio solo debes guiarte por las estrellas que tiene cada dibujo. Cada estrella tiene una tilde y una X. La "tilde" significa que son positivas y las con "x" son negativas.
2)She has already studied for the test.
3)She hasn't eaten the apple yet.
4)He hasn't finished the game yet.
5)He hasn't helped his mother yet.
6)He hasn't mended the bench yet.
7)He hasn't delivered the flowers yet.
8)She has already skated.
9)He hasn't been to the moon yet.
10)He has already watered the plants.
11)She hasn't played yet.
12)He has already flown a kite.
13)He hasn't catched any fish yet.
14)She hasn't seen the stars yet.
15)He has already done his homework.
16)He hasn't sold the tickets yet.
17)He has already learnt how to swim.
18)The lessons has already started.
19)Her summer holidays has already begun.
20)The actors haven't arrived yet.
Present Perfect Tense:
3)Mum/make the bed/at nine O'clock
Has she made the bed yet?
Yes, she has already made the bed.
What time did she make the bed?
She made the bed at nine O'clock.
4)Dr. Prat/buy a beautiful house/two weeks ago
Has Dr. Prat bought a beautiful house?
Yes, she has already bought a beautiful house.
When did she buy it?
She bought it two weeks ago.
5)Has Mike repaired the car?
Yes, he has already repaired.
When did he repair the car?
He repaired the car yesterday.