If I had a time machine, I would (like to) go to the past to see the condition ofhow life was.

We'd typically omit "like to" when speaking in hypotheticals like this. It's usually just: If I could X, I would Y

I would like to see the world before the invention of cars, to see the stars and the sky byat night.

But iI would like to be transparent because the Mmiddle Aage ors and even the Mmodern Eera is not very coolhaven't been great for the women because you can be burn and. You could be burned at the stake because of people can accuseing you tof being a witch.

Because we're including both a past age and current age, we have to modify the sentence to make it work for both with "haven't been." Regarding burning women for witchery, it's typically referred to as "burned at the stake." The stake being the central piece of wood the woman was tied to.

Also, the hygiene wasn't great at that time, b. But iI would like to see what it looked like without plastic, phones, TV, the supermarket, etc.

If I had a time machine I would like to go to the past to see the condition ofhow life was.

"the condition of life" is a bit stiff.

I would like to see the world before the invention of cars, and to see the stars and the sky byat night.

But i would like to be transparent because in both the Middle Age ors and the Modern Era i, was not very cool for the women because you canould be burned and people canould accuse you tof being a witch.

Also, the hygiene wasn't great at that time, but i would like to see what it looked like without plastic, phones, TV, supermarkets, etc.