ex. 3.put the verbs in brackets into the to-infinitive or the –ing form.

they have managed (gather) all their supplies in one week.

the trip is expected ) for two or three years.

tanya has spent a lot of time ) about the solar system.

their spaceship must avoid (hit) asteroids and ufos.

their parents asked them if they had forgotten (buy) enough dried food and e-books to take with them.

phillip promises (help tanya pilot their rocket ship.

we like ) new planets and ) new things.

although their parents would prefer them (remain on earth, they can see that it is no use ) to get them to change their minds.

it’s too late now. there’s no point in (argue) with them.

Business communication plays an important role in human life.
The main objective of business communication is productive cooperation. The most important thing is to know how to communicate. Communication is necessary not only to present its point of view orally or in writing, but also to perceive other people's opinions. Just can not forget about the appearance, because it creates the first impression. For example, for an interview, you don't come in shorts, shirt and sneakers, because the employer will understand that you don't know the basics of business communication. If your life involves important work and especially work with people, you should wear classic outfits: white shirt, black skirt, and shoes.
Ignorance of such important factors in business communication can lead to awkward situations. I advise you to study some aspects of business communication.

Present Simple -I /we/they/you draw ( paint) animals. He/she draws/paints animals.

Present Continuous I am drawing /painting animals. He /She is drawing/painting animals. We/they/you are drawing/painting animals.

Present Perfect I l/we/they/you have drawn /painted animals. He/she has drawn/painted animals.

Past Simple I /we/you/they/he/she drew/painted animals.

Past Continuous I/he/she was drawing ( painting) animals. They/you/we were drawing ( painting) animals.

Past Perfect I /we/you/they/he/she had drawn/painted animals.

Future Simple I /we/you/they /he/she will draw( paint) animals.

Future Continuous I /you/we/they/he/she will be drawing ( painting) animals.

Future Perfect I /you/we/they/ he/she will have drawn( painted) animals.