Human civilization has always damaged the environment of our planet. But before, people mostly lived in villages, and all the waste was organic. In order to save the planet, everyone must take care of the environment. For this, it is necessary to replace energy from burning minerals with solar energy. It will be great if we stop throwing out plastic and glass everywhere, and will hand over it for recycling. It is desirable that people give up cars more often and ride bicycles. It will be great if schoolchildren start planting parks of young trees in the spring. We can save our blue planet, but first we need to start taking care of the surrounding nature of our native land.
"Past Perfect" Had you worked? – Ты работал? When had you written the letter? – Когда ты написал письмо? He had finished his work by five o'clock and went home. When they arrived I had finished my work. Peter had gone away when they reached the castle. " Past Perfect Continuous". Had you been working? Had she been working? I was very tired when I got home. I’d been working hard all day. We’d been playing tennis for about half an hour when it started to rain heavily. I was disappointed when I had to cancel my holiday. I’d been looking forward to it.
