Make up 5 questions to every sentence.
A product is much more than a physical object
The waiter serves the food at the table from a serving dish

1.
If you ring me up, I will tell you something.
Если ты мне позвонишь, я кое-что тебе расскажу.

If you rang me up, I would tell you something.
Если б ты мне (вдруг) позвонил, я  бы тебе кое-что рассказал.

If you had rung me up (yesterday), I would have told you something.
Если бы ты мне позвонил (вчера), я бы тебе тогда рассказал кое-что.

2

If you give more attention to your child, he will be able to study better at school.
Если вы будете уделять ребёнку больше внимания, он сможет лучше учиться в школе.

If you gave more attention to your child, he would be able to...
Если бы вы больше уделяли... ("а вы не уделяете!") он мог бы учиться...

If you had given more attention to your child (last year), he could have studied better at school.

Если бы вы больше уделяли внимания ребёнку (в году), он бы мог лучше учиться тогда.

3
If it isn't raining now, we will go to the country.
Если сейчас не будет дождя, мы поедем в деревню.

If it wasn't raining now, we would go to the country.
Если бы сейчас не шёл дождь, мы бы поехали на дачу.

If it hadn't been raining (last weekend), we would have gone to the country.
Если бы не дождь, мы бы уехали загород (на выходных).

Past S:

He spoke English a year ago.
We met friends yesterday.

Fut S:

He will speak English tomorrow.
We will meet friends in 3 days.

Pr Continuous:

He is speaking English at the moment.
We are meeting friends right now.

Past Continuous:

He was speaking English when I interrupted him.
We were meeting friends yesterday from 6 till 7 p.m.

Future Continuous:

He'll be speaking English tomorrow all day long.
We'll be meeting friends at this time tomorrow.

Pr Perfect:

He has spoken English since childhood.
We have recently met friends.