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
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