Tense degan atama bilan ifodalanadi. Macmillian English Dictionary for Advanced Learners lug'atida zamon, ya'ni tense

IN TIME VA ON TIME BIRIKMALARNING FARQI
1) on time vaqtida, belgilangan vaqtda degan ma'noda ishlatiladi. Demak, bu birikma ishlatilishi uchun
ish-harakat aniq vaqtga belgilangan va shu vaqtda sodir boʻlishi kerak.

The 11.45 train left on time. (poyezd 11.45da ketgan)

The conference was very well-organised. Everything began and finished on time. (Hamma narsa
belgilangan vaqtida boshlanib va belgilangan vaqtda tugagan.)
2) in time yetarlicha erta, vaqtida degan ma'noda ishlatiladi. Bu yerda aniq vaqt boʻlmaydi va kimdir biror
ish qilishga ulgurishi asosiy oʻrinda turadi.

Will you be in time for dinner? (kechki ovqatga ulgurasanmi?)

I must hurry. I want to get home in time to see the football match on television.
just in time zoʻrg'a ulgurib birikmasi ishlatilishiga e'tibor bering.

A child ran across the road in front of the car, but I managed to stop just in time. (mashinamni
toʻxtatishga zoʻrg'a ulgurdim.)
in good time ancha oldin degan ma'noda qoʻllaniladi.

You must arrive at the airport in good time not to miss your flight.
AT THE END VA IN THE END BIRIKMALARINING FARQI
at the end birikmasi har doim of soʻzi bilan kelib otga bog'lanadi va biror narsaning yoki muddatning oxiri
degan ma'noda qoʻllaniladi.
at the end of the film
at the end of January
at the end of the match
at the end of the month at the end of the course at the end of the concert

I am going to Tashkent at the end of the month.

At the end of the concert, there was great applause.
at the end of+noun birikmasining qarama-qarshi ma'nosini at the beginning of+noun birikmasi bera
oladi.

I am going to Tashkent at the beginning of the month.
in the end birikmasi oxiri, nihoyat, oxirda degan ma'noda ingliz tilida turg'un birikma hisoblanadi va ravish
sifatida qoʻllaniladi.

We had a lot of problems with our car. In the end we sold it and bought another one.

Jim couldn't decide where to go for his holidays. He didn't go anywhere in the end.