I was reading at 7 p.m. yesterday.
We were singing a song from 6 till 7p.m. yesterday.
He was playing tennis the whole day yesterday.
She was watching TV for 4 hours yesterday.
They were learing new words since 5 p.m. yesterday.
Was I reading at 7 o'clock yesterday?
Were we singing a song from 6 till 7 yesterday?
Was he playing tennis at that time yesterday?
Was she watching TV the whole evening yesterday?
Were they learing new words at 5 p.m. yesterday?
I wasn't reading at 7 o'clock yeaterday.
We weren't singing a song from 6 till 7 yesterday.
He was playing tennis at that time yesterday.
She wasn'y watching TV from 4 till 6 p.m. yesterday.
They weren't learing new words the whole evening yesterday.
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The bulk of the pages with the right information on the Internet is available in English language.
A large number of books as an artistic and technical leaves it in English, and later of course there are other translations, but the translated text as opposed to the original language is not always able to fully convey the idea of the author.