... 24 Put the verbs in brackets into the Present Simple or Past Simple
Tense.
you (to be) last Friday, Helen? I... (to want) to
invite you to a disco club, but your mother ... (to tell) me you ...
(to have) some business.
- Quite right, Vicky. You know I ... (to be) fond of gardening
and there (to be) a flower exhibition last Friday. So I ... (to
go) there to buy some seeds and flowers.
you ... (to buy) anything, Helen?
— Yes, I ... I ... (to buy) the seeds of some rare roses and
tulips.
- How often ... such exhibitions (to take) place in our
town?
- Not often. IThey usually ... (to take) place twice a year.
I always ... (to visit) them. It ... (to be) always a good chance for
me to know more about plants. And you (to have) a good
time at the disco club last Friday, Vicky?
Yes, I I ... (to meet) Jane and Tony there and we
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Ex 1
1. in year four seasons
2. My favorite season is summer
3. It's warm in the summer, you don't need to go to school, you can hang out with friends on the street until late
4. walk outside
5. Stay at home and play computer games
6. weather in Krasnodar in sprink sometimes cold sometimes warm
Ex 2
Present Simple
1. I sometimes plays computer Games
2. I usually walks with me friends
Present Continuous
1. We are cooking now
2. I go to park with my family at the weekend
Present Perfect
1. I have readed a book
2. They drunk water
Ex 3
Put the proper words into sentences:
analytical, digital, unreliable, sophisticated, solve, core, processor, computations, an integral circuit.
1)The Difference Engine could ... equations and led to another calculating machine, the ... Engine, which embodied the key parts of a computer system: an input device, a ..., a control unit, a storage place, and an output device.
2)Ada Lovelace helped to develop instructions for carrying out ... on Babbage machine.
3)J. Atanasoff devised the first... computer to work by electronic means.
4)First-generation computers were ..., the main form of memory being magnetic...
5)In the third generation software became more...
6)What was the name of the first ... computer to work electronically?
7)When electricity passed through the ..., it could be magnetized as either “ofF’ or “on”.
8)A ...is acomplete electronic circuit on asmall chip of silicon.