3) Prezentul perfect se formeaza cu have/ has(doar pt pers a 3-a singular: she/he/it) + verbul la forma a 3-a sau cu terminatia -ed pt verbele regulate
1 I have recycled
2 have opened
3 has decided
4 has tried
5 have reduced
5) 1has become
2 have built
3 has had
4 has been
5 have provided
6 have used
7 have fallen
6) 1 haven`t
2 hasn`t
3 hasn`t
4 haven`t
5 haven`t
6 has picked
7 Has
8 has
