19 He will copy this text. 20. He has bought a new car 21. We are playing volley-ball now. 22. Our teacher explained the rule. 23. She translates the texts every day 24. She is watching a comedy film now 25. He put the candle on the table. 26. Pam has bought a new ring recently 27. He will correct the mistakes. 28. I have got a beautiful present. 29. The cat dropped the vase yesterday

time

Explanation:

The fact that verbs can be inflected to mark past, present and (in some languages) future is called tense. There are three main ways of defining "tense" as it relates to English

umm duh they in differrnt places

the correct answer is a. how to make proposal that works.

indeed, the register is quite formal and the tone is especially objective as it avoids the use of the first and second person singular (i, you) and opts instead for the third person plural which is more impersonal and focuses on the data and the argument that is being developed by the author. the formality adds the impression of respectability to the work and the impersonality adds objectivity to it.