studying stuff found in pyramids...artifacts...
The verd "to know" in an infinitive and doesn't have a past tense. However, the word "know" can be used in the form "I know" which in normal grammar is considered the present tense. In that sense the past tense would be "I knew". So the past tense of "know" would be "knew".
Past perfect is formed with had + past participle.But assive is not in the dictionary so I don't know the past participle
The past tense of think is thought so your sentence is You thought too much
So we can know how it affects us today.
instead of her focusing on conquests she focused on expanding egypts economy
History tends to repeat itself, so it's important to know the mistakes and successes of the past so that we, as a society, can prevent those problems from causing problems.
you should know the mistakes you made in your past, so it means don't make the same mistakes again in order to have a future's better past.
Hid (Example): I did not know what to do so I hid from my parents.
SO much.
because it was a good year for trade and egypts economy grew
I know so much about the Jonas Brothers because I have did my research.
The WikiAnswers contributors know so much because they learned that much in school and from WikiAnswers.