Всложносочинённом предложении может ставиться запятая, точка с запятой и тире. 1. по умолчанию части сложносочинённого предложения разделяются запятыми, например: ночью было тепло, а утром набежали тучи и пошёл дождь.2. тире ставится, если вторая часть ссп содержит неожиданное и резкое противопоставление: пошёл мелкий снег — и вдруг повалил хлопьями (а. пушкин)3. точка с запятой ставится, если части ссп значительно распространены или менее тесно связаны по смыслу: он держал ее за талию, говорил так ласково, скромно, так был счастлив, расхаживал по этой своей квартире; а она видела во всем только одну пошлость, глупую, наивную, невыносимую (чехов) запятая не ставится, если части ссп имеют общий элемент, как-то: 1. общий второстепенный член.2. общее придаточное предложение.3. общее вводное слово/словосочетание.4. общая частица. запятая не ставится, если обе части ссп: 1. вопросительные предложения.2. побудительные предложения.3. восклицательные предложения.4. назывные предложения.
I am pretty sure that english language is the most important language in the world. It is really necessary today to learn this language and there are a lot of reasons to do it. First, it can help you in various job you work in. It's not only a teachers or translators, it is also a secretaries, guides, managers and adminisrators. Knowledge of english can make your work easy. Second, english is international language so you can easily communicate with people on Net around the world and to not have any misunderstanding. If you like to travel to the other countries, you can always take a chance and try to talk with foreigners on english. The most of people know this language because it is international language so you won't have a problems maybe in some converse you will take a part. And at last learning of english can help you in your future job that has a connect with english language. I can't imagine life today without english and find it important.
1. My father and I leave home at eight o'clock. My father and I don't leave home at eight o'clock. Do my father and I leave home at eight o'clock? 2. He takes a bus to his factory. He doesn't take a bus to his factory. Does he take a bus to his factory? 3. My mother is a doctor, she leaves home at nine o'clock. My mother isn't a doctor, she doesn't leave home at nine o'clock. Is my mother a doctor and when does she leave home? 4. In the evening we gather in the living room. In the evening we don't gather in the living room. When do we gather in the living room? 5. We watch TV and talk. We don't watch TV and talk. Do we watch TV and talk?