The man ... next door is Argentinian.
who
They found fifty students inside a pub without a face mask.
Fifty students were found inside a pub without a face mask.
If you find her, what ... (you, tell) her?
If you find her, what will you tell her?
... I open the window?
Can I open the window?
The woman ... daughter won the lottery is broke.
whose
She has helped me to find the way several times.
I have been helped to find the way (by her) several times.
I ... (travel) very far away if I ... (win) the lottery.
I would travel very far away if I won the lottery.
... I help you with those bags?
Shall I help you with those bags?
Ayuso, ... nobody can stand, may win the elections.
whom
Everyone thinks that Selectividad is very easy.
Selectividad is thought to be very easy.
If you ... (not go) into that pub, you ... (not be) confined.
If you hadn't gone into that pub, you wouldn't have been confined.
There's nobody here. They ... (go) to school early today.
There's nobody here. They must/may have gone to school early today.
The reason ... I'm writing to you is that I love you.
why
Who did you invite to the party?
Who was invited to the party?
We would have lots of money if we had bought bitcoins ten years ago.
Bloody hell! The fuc**** car ... start!
Bloody hell! The fuc**** car won't start!
Please, speak louder. I can't hear ... you're saying.
what
They say that Món*** caught the virus in a pub.
Món*** is said to have caught the virus in a pub.
If you ... (not get) married so soon, you ... (live) an exciting life now. But you did.
If you hadn't got married so soon, you would be living an exciting life now. But you did.
You ... (give) me any present. Thank you so much!
You needn't have given me any present. Thank you so much!