<span>1. British people have been drinking tea since 1500s.
2. People have been eating hamburgers since McDonalds restaurant was opened in 1948 in California.
3. They have been selling perfumes, soap and shampoo since 1976.
4. We have been washing our hair with this shampoo for two weeks.
5. My sister has been using strawberry soap every morning for a month.
6. Their family has been eating only vegetables for 3 years.
7. I have been reading this newspaper for an hour.</span>
I we you grow walk need she he it grows walks needs
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Глагол need в группе continuous не используется