I.поставьте предложения в вопросительную и отрицательную формы. 1.we are taking a short break now. 2. investing in infrastructure for industry will encourage economic growth. 3. countries buy and sell various goods as well as various services.

1.We are taking a short break now. Are we taking a short break now? We aren`t taking a short break now.
2. Investing in infrastructure for industry will encourage economic growth. Will investing in infrastructure for industry encourage economic growth? Investing in infrastructure for industry won`t encourage economic growth.
3. Countries buy and sell various goods as well as various services. Do countries buy and sell various goods as well as various services? Countries don`t buy and sell various goods as well as various services.

1) Are we talking a short break now
We aren't talking a short break now

2) не знаю прости

3) Do countries buy and sell various goods as well as various service ?
Countries do not ( или don't ) buy and sell various goods as well as various services