Shaxs-sonda moslashadi : be able to, have to, had to, managed to, was/were to… I have to go to work now He has to go to work now

Didn’t succeed in Ving
He didn’t manage to find the way back when he got lost in the forest=
didn’t succeed in finding
8) Could have done
(qila olardi lekin qilmadi)
If you hadn’t watched TV, you could have translated the reading
He could have escaped but he chose to stand and fight
9) Couldn’t have done
(xoxlasayam qila olmas edi)
The football match was cancelled. But I couldn’t have played, because I was ill.
The washing machine was broken down. He couldn’t have repaired as he didn’t know it.

3. 
   Must
   

(kerak, lozim, zarur, shart)
S+must+V0
S+must not V0=mustn’t
Must+S+V0?
I must do my homework
You mustn’t walk on the grass
Must I go to the party tonight?
2) must-maslahat, buyruq, ehtiyoj jihatdan
You must respect old people (maslahat)
You must come to the lesson at 8 a.m (buyruq)
We haven’t got much time. We must hurry (ehtiyoj)

4. 
   Have to
   

(to’g’ri keladi, kerak)
S+have/has to+V0
S+do/does+not+have to V0
Do/does+S+have to V0?
I have to visit my grandparents as they are ill
It is Sunday. I don’t have to go to school
2) must-kishining o’ziga bog’liq bo’lgan va bajarilishi shart bo’lgan ish-harakatlarni ifodalaydi. Bu vaqtda “must” o’rnida “have to” ni ham ishlatish mumkin.
I must/have to study well.
It is late. I must/have to go home
3) “have to” esa kishining o’ziga bog’liq bo’lmagan holda tashqi ta’sir sababli majbur bo’lgan ish-harakatlarda ishlatiladi. Bu vaqtda “must” ishlatilmaydi.
My eyesight isn’t good.