Present Simple Hozirgi oddiy zamon quyidagi holatlarda ishlatiladi

Note: TO BE ABLE TO-qila olmoq,uddalamoq(bu modal fe’l maxsus vaziyat va holatlarda ishlatiladi)
For.ex: The fire spread through the old building very quickly but everyone was able to escape.
Bu modal ‘can’ning sinonimi bolib, farqi shuningdek, buni hamma zamonda ishlatish mumkin. I have not been able to sleep recently.
I am able to do it today=I can do it today
I was able to do it yesterday=I could do it yesterday.
I shall be able to do it tomorrow= I can do it tomorrow.
B.Must-kerak/shart
1.Buyruqni ifodalaydi:
For.ex: You must be back by 7.
2.Majburiyatni ifodalaydi:
For.ex: You must do it now.
Note :Must bilan savol berganda, inkor javob needn’t bilan beriladi.
For.ex: Must I bring letters once? Yes, you must/ No, you needn’t
Zamonlarda ishlatilishi.
3.Must be-bo’lsa kerak.
For.ex: Tom must be at school now.
4.Must be doing-bo’lsa kerak.(Suhbat vaqtidagi kuchli taxmin 90%)
For.ex: He must be sleeping now.
5.Must-bu modal kelasi zamonga nisbatan ham ishlatishi mumkin:
For.ex: We must go there tomorrow.
6.Must have done-bo’lsa kerak.( O’tgan zamondagi kuchli taxmin 90%)
For.ex: I have lost one of my gloves. You must have dropped it somewhere.(Sen uni qayergadir tushirgan bo’lsang kerak)
The phone rang but I didn’t hear it. I must have been asleep.
7.Must have been doing-davomli ish harakat.
For.ex: He must have been waiting for 2 hours.(U ikki soatdan buyon kutayotgan bo’lsa kerak)
Passive voice
8.Must be done-qilinishi kerak.
For.ex: This work must be done at once.(Bu ish darhol bajarilishi kerak)
9.Must have been done-bajarilgan bo’lishi kerak. For.ex:
The work must have been finished yesterday.(Ish kecha tugatilgan bo’lishi kerak)