13. Maak de volgende zin in de Present Perfect vragend:
John / see / the movie / already
Has John seen the movie already?
14. Maak de volgende zin in de Present Perfect ontkennend:
They / not / be / in London / for six months
They haven't been in London for six months.
15. Maak de volgende zin in de Present Perfect ontkennend:
She / not / leave / her phone / in the taxi
She hasn't left her phone in the taxi.