DO:
1. KOROSTAVA DO: 
I do love you very much. = I really love you...
He did mean what he said.
2. KORVAAVA DO
Harri loves old movies, and so do I.
Anssi doesn't like Donald Trump, and neither / nor do I.

HAVE:
1. have + s-b + infinitiivi ilman to-partikkelia
I'll have a doctor examine my eyes. = Tutkitutan silmäni lääkärillä. my eyes.
I'll have Matti paint my walls. 
2. have + s-g + teeman 3. muotoi
I'll have my walls painted. = Maalaututan seinäni.
I'll have my eyes examined.
We'll have everything done.

SHALL:
1. perusmerkitys: alunpitäen yksikön 1. ja monikon 1. persoonan apuverbi futuurissa
Shall I do it?
Shall we go?
Shall I open the door?

2. uhkaus / lupaus
And you shall pay for it!
You shall perish.
You shall be rewarded.

SHOULD:
1. perusmerkitys  = pitäisi
I should do my homework.
I should have done my homework.
2. If-lauseessa should = sattuisi
If somebody should call me while I am gone, tell them that I'll be back on Monday.
= Should somebody call me while I am gone...
3. mielipiteen ilmaisu (BrE)
It's a shame he should think so.
He suggested that we should stay at home.
God save the Queen. (= subjunktiivi)
WILL:
1. perusmerkitys: futuurin apuberbi 
Will you come to school tomorrow?
I'll come to school tomorrow if I am not sick.
2. tapa
Boys will be boys. (= Pojat on poikia.)
3. itsepintaista taipumusta
Coffee stains / Redwine stains will stay.
4. tapa = on tapana
Grandpa will stay by the window for hours.

WOULD:
1. perusmerkitys: I & II konditionaali
I would come if I had time.
I would have come if I had had time.
2. eritysmerkitys = viitsisi
If you would be so kind as to call me tomorrow morning, I would be very grateful.
3. "OLI TAPANA" viittaa menneisyyteen
Grandpa would stay by the window for hours on.