Question

es de inglés me ayudan ​

Answer 1

6.
Present perfect:
* Positive & negative sentences: subj. + have / has (for he, she, it) + verb in the past participle (+ed / the 3rd column of the irregular verbs).
* Questions: Have / has + subj. + v in the past participle + …?

a) has built
b) haven’t seen
c) has organised
d) has written
e) haven’t visited

7.
It’s up to you. If you have done it you should put ‘I have’, and if not, ‘I haven’t’. (Traducción: Depende de ti. Si lo has hecho has de poner ‘I have’, y si no, ‘I haven’t’).

a) I have been to a halloween party. (He estado en una fiesta de halloween.
I haven’t been to a halloween party. (No he estado en una fiesta de halloween).
b) have/haven’t eaten
c) have/haven’t cried
d) have/haven’t ridden
e) have/haven’t gone

8.
a) has climbed
b) hasn’t eaten
c) has met
d) hasn’t visited
e) has worked