. . , . :
1. + - + ( ). -, : 1) He is a scientist. 2) The idea was good.
2. + + . , , : 1) We do research. 2) The group discussed the results.
3. + (+ ). , , : 1) The experiment failed; 2) We work here.
, . : 1) It is a research institute. 2) Dr Hunt looked at the scheme. 3) I went quickly to the office.
. . :
) : article, approach, attempt, author, behavior, book, chemistry, colleague, computer, data, equipment, event, experiment, group, idea, information, institute, laboratory, material, mathematician, meeting, method, model, nature, opinion, paper, physics, practice, pressure, problem, process, product, professor, program, progress, project, property, question, research, researcher, result, sample, science, scientist, speaker, success, support, system, talk, technique, technology, theory, temperature, value;
) : actual, available, bad, cheap, common, complex, correct, dear, desirable, different, difficult, easy, essential, expensive, famous, good, great, harmful, high, important, industrial, interesting, long, low, modern, national, natural, new, old, outstanding, popular, practical, prospective, pure, reliable, right, scientific, short, significant, simple, special, standard, useful, useless, usual, valid, various, well-known, young;
) : agree, answer, attend, be, become, call, change, conduct, consult, deal with, decrease, determine, develop, discuss, do, examine, explain, find, forget, get, give, have, increase, investigate, join, learn, make, occur, observe, obtain, propose, provide, put, read, recognize, reduce, rely on, require, review, send, show, solve, spend, stay, study, take, teach, test, think of, train, treat, use, work, write.
2. There is/are
. - . There is/are. , : , , , , .
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1. : 1) There is a problem. 2) There is a solution to this problem. 3) There is a book about this phenomenon. 4) There is a new experimental technique. 5) There is a good device for our lab. 6) There is a change in the data.
, . There is/are . there (). : 1) There is an interesting article in the journal. () . 2) There is an interesting article there. () .
2. 1 . : some, few, a few, many, a lot of. : There is a problem. There are some problems.
. There is/are to be . : 1. There exists( ); 2. There appear ().
