Tolong dongg itu present perfect

MAPEL : BAHASA INGGRIS
MATERI : PRESENT PERFECT TENSE
KELAS : 9
KODE SOAL : 9.5
KODE KATEGORISASI : 9.5.3

PEMBAHASAN
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Rumus present perfect yang akan kita gunakan adalah..
(+) subject + have/has + V3 + object
(-) subject + have/has + not + V3 + object
(?) Have/has + subject + V3 + object

Catatan !!!
* Gunakan auxiliary verb HAVE apabila subject nya I/you/they/we/subject plural.
* Gunakan auxiliary verb HAS apabila subject nya she/he/it/the third person pronoun.

So, the answers are :
1). "Mary (HAS HAD) the Baby!
Oh , When (HAS she HAD) it?
This morning, there (ARE) no complications
=> di bagian to be ini menggunakan ARE karena bentuk plural "complications".

2). So, who HAS won the elections? Do we knew yet?
No, the results (HAVE NOT COME) in yet.

3). You won't believe this! Sarah (HAS LEFT) her husband.
Really? When HAS this HAPPENED?

4). There (IS) an accident on the motorway so we'd better take the other road.
=> Menggunakan to be "Is" karena setelah nya bentuk singular "an accident".

5). A bomb (HAS EXPLODED) in the city centre and there is confusion everywhere!
No, HAS anyone CLAIMED responsibility yet?
No, there (ARE NOT) any calls to the media yet.

6). Oh, no! Someone (HAS STOLEN) my cell phone!

7). Oh, my goodness! The police (HAS ARRESTED) Trevor!
Why? What HAS he DONE?
Apparently he's been charged with drinking and driving.
When HAS this HAPPENED?
A few minutes ago. The police (HAS STOPPED) him near the pub because he (HAS DRIVEN) all over the road.
So what HAS trevor SAID?