Берем предложение <span>China imported a record amount of Russian crude last month и преобразуем в следующие видовременные формы:
</span>Present Simple
China imports a record amount of Russian crude monthly.
<span>Present Continuous
</span>China is importing a record amount of Russian crude these days.
<span>Present Perfect
</span>China has imported a record amount of Russian crude this month.
<span>Present Perfect Continuous
</span>China has been importing a record amount of Russian crude for two years.
<span>Past Simple
</span>China imported a record amount of Russian crude last month.
<span>Past Continuous
</span>While <span>U.S. President Barack Obama was seeking to encourage Chinese criticism of Russia on Ukraine, </span>China was importing Russian crude.
<span>Past Perfect
</span>When U.S. President Barack Obama sought to encourage Chinese criticism of Russia on Ukraine, China had already imported a record amount of Russian crude.
<span>Past Perfect Continuous
</span>When world leaders gathered in The Hague to discuss nuclear security issues, China had been importing Russian crude <span>for two years</span>.
Bear is a wild animal. It is very strong and dangerous. It lives in the forest. Its head is big. Its neck is short but fat. Its paws are big and very strong. Bear has big clutches. Its eyes are small. Its ears are small too. Bears sleep in winter.
8.15- It's a quarter past eight
9.15.- It's a quarter past nine
9.50- It's ten to ten
11.50- It's ten to twelve
1.05- It's five past one
2.20- It's twenty past two
1. Yesterday, from twelve until two in the afternoon, our colleagues played tennis. During the game, we sat and looked at them. 2. Yesterday at half past seven in the evening we had lunch. During lunch, we talked about flowers in our garden. 3. Yesterday we spent the whole day buying a birthday present for our mother. We kept asking sellers to show us different things, and they brought us vases and bags, plates and spoons. Then we said goodbye and left. 4. Our doctor worked all night yesterday. He took people in the hospital. 5. Yesterday I was going to call a friend all day, but I didn’t have time. 6. Yesterday, in the office, we always received faxes from different cities. 7. Yesterday at this time, our boss still told us about his dog.