Bu I-xil shart ergash gaplardir Masalan:
If he is here, he is probably 1. Agar u shu erda bo’lsa kutubhonada
working in the library. (Present Tense) ishlayapti (hozirgi zamon)
If he called on them yesterday they 2. Agar u ularnikiga kecha kirgan bo’lsa,
gave him the book (Past Tense) unga kitobni berishgan(o’tgan zamon)
If you come to the University, we 3. Agar universitetga kelsangiz, masalani
shall solve the problem together birga yechamiz.
(Future Tense) Shart ergash gaplarda subyektiv mayli shakllari ham ishlatiladi. Ikkinchi va uchinchi shart ergash gaplar haqida 19-darsda berilgan.
III. Qavs ichidagi fe’llarning to’gri shaklini ishlating:
If he (to come), we shall go there together.
The game will be held in the out-door stadium if the weather (to be) fine.
If you (to want) to become a mathematician, you must study hard.
They will go to the museum if they (to have) time.
The teacher gives me good mark if I (to work) hard.
If I (to have) time I went to the match.
If we (to have) a textbook, we translate texts.
If they (to come) to the University tomorrow, they (meet) their friends.