The Present simple tense

Since dan keyin doimo past simple zamoni ishlatiladi.
S + Present Perfect + … since + S+ past simpe … .
Pr. perfect continuous + …
I have known Tom since I met him in 1994. (pr. p.)
She has been playing tennis since she was  eight. (pr. p. c-s.)
Quyidagi: live, work, teach, feel kabi so’zlar present perfectda ham present perfect continuous da ham bir xil hech qanday ma’no o’zgarishisiz ishlatilaveradi.
We have lived/have been living here for twenty years.
Exercise1. Put the verbs into the correct present form.
1 A: Linda is learning (learn) to drive at the moment. В: I know. She told me last week.
2 A: Has Alan got a job?
B: Oh yes. He .......................... (be) the manager of a leisure centre.
3 A: Do you want to have a break now?
B: Not yet. I ................. (write) a report for tomorrow's meeting.
A: It's ten o'clock. Have you given the manager his letters?
B: Yes, and I .................... (also/type) six reports so far this morning.
4 A: Is Jeff still in the garden?
B: Yes. He ........ (plant) flowers all afternoon.
5 A: That author is very well-known, isn't she?
B: Yes. She ............... (write) twenty novels so far.
6 A: You look very happy today.
В: I am. I............................... (just/hear) some good news.
7 A: What time.......................... (the play/
start) tonight? B: Seven o'clock, I think.
8 A: Are you new to this company?
B: Not really. In fact, I .............. (work) here for almost two years.
9 A: Are you ready for the concert?
B: Yes. I .................... (practise) for weeks.
10 A: Do you do any exercise at all?
B: Yes. Actually, I .......... (go) swimming three times a week.
Adverbs of frequency
1. Always, usually, sometimes, often, seldom, rarely, never, almost always, frequently, generally, occasionally, hardly ever, almost never, not ever etc…asosiy fe’ldan oldin keladi, lekin to be, ko’makchi va modal fe’llardan keyin keladi. So’roq gaplarda ham egadan keyin keladi. Qisqa javoblarda ko’makchilardan oldin keladi.
Do you help your mother? Yes, I usually do.
2. Inkor gaplarda ko’pchilik frequency adverb lar inkor so’zdan oldin keladi. Always va ever bundan mustasno.
Ann usually doesn’t eat breakfast.
Sue doesn’t always eat breakfast.
3. Every day, once/twice a week/month etc… most mornings/evenings kabi so’zlar gapning boshida yoki oxirida kelishi mumkin. Usually, often, sometimes, occasionally va normally so’zlari ham urg’u berish maqsadida gapning boshida yoki oxirida kelishi mumkin.
We go on holiday twice a year.
Usually, I finish my work at five.
I feel bored sometimes.
4. Ever hech qachon darak gaplarda ishlatilmaydi.
5. Seldom, hardly ever, rarely, never qatnashgan gaplarda boshqa inkor so’zlar ishlatilmaydi.
I rarely go to bed late.  
Exercises:
Choose the correct answer.
1.'I met our new boss this morning."
I.... him, too. He's very nice.'
A am meetingВhave been meetingСhave met
.......... in a hotel?'
'No, but my parents did last summer in Rome.'
A Have you ever stayedВDid you ever stay СAre you ever staying
'Who is in that new film?'
'Well, a young actress. the leading role.
A has been playingВplays Сhas played
'Is David at home?'
Yes, but he...... a shower at the moment.'
A is having..... Вhas been havingСhas
'Why are you so upset?'
'I.......... my favourite ring.'
A lose Вhave been losingСhave lost
'Have you found a house yet?'
'No. I........ with my aunt at the moment.'
A stay Вam stayingСhave stayed
2. a) Put the verbs in brackets into the correct tense.
Tortoises...live,., (live) to be very old.
I've heard of one which is over a hundred years old.
Are you still busy?
Yes. I ................. (read) this article for an
hour and I still ................. (not/finish).
More and more people.......... (go) to
university these days. Yes. I think it's a good thing.
I .................. (have) a party tonight. Do you
want to come?
Yes. What time does it start?
Why are your shoes wet?
I .................................. (wash) the car.
What's the matter?
I ................................ (break) my ankle.
What do I need to do next?
You ..................... (add) the sugar to the
mixture and you ............. (mix) it well.
Who ............................. (use) my car?
I have.
Are you new here?
No. Actually, I ...... (live) here for almost
ten years.
Pete is playing his music very loud.
Again! He................... (always/do) that!
Have you made plans for Saturday yet?
I ................... (go) to the cinema with Jack.
Mr Collins is a very good teacher.
Well, he ..................... (teach) Maths for
twenty-five years, you know.
Are you going to the concert on Saturday night?
Yes. Actually, I ............. (already/buy)
the tickets. Hello, Simon.
Oh! We .................. (always/meet) each
other in this supermarket.
3.Dear Kathleen.
I 1)...'m writing... (write) to tell you my news. My
school 2) .................... (choose) me to spend
six weeks at a school in the USA. I'm very happy about it!
At the moment, I 3)............ (pack) things
for my trip, because I 4) ......... (leave) next
week. My mother 5).......... (book) the ticket.
I 6) ................... (wait) for this opportunity for ages, so I'm very excited. I 7) (finish)
reading two books about the USA and I 8)
... (borrow) another one from the school
library. I 9) ................... (become) more and
more nervous every day!
Exercises4 Match the sentences.