1 ran 2 saw 3 went 4 came 5 slept 6 put 7 got 8 took 9 had
<span>1) Scientists have produced (pres perf - </span><span>produce) a stable chemical compound to store the energy.
2) The support of some boilers is (pres simp - be) on bottom.
3) First pressure stage of the impulse turbine can deal (pres simp - can) </span><span> deal (unfinitive</span><span><span><span> - deal </span>) </span>with a large energy drop.
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<span>rainy year,snowy winter,hot summer,warm autumn,cold spring,heat but,windy,and cold it is rainy</span>
I read Russian and English books every month. She always talks on the phone with her friends. He drives a car three times in a week after his job. I often repair my cars at the weekends. He serves drinks at the club after college. Do you read Russian and English books every month? Does she always talk on the phone with her friend? Does he drive a car three times in s week after his job? Do you repair your car at the weekends? Does he serve drinks at the club after college?
I don't read Russian and English books every month. She doesn't always talk on the phone with her friends. He doesn't drive a car three times in a week after his job. I don't often repair my cars at the weekends. He doesn't serve drinks at the club after college.
1.She sang that she wanted to a sandwich.
2.She sang her mother went shopping every Monday.
3.She sang he had just arrived in America.
4.She sang that they are students.
