Sentence examples for that is perfectly normal from inspiring English sources

It is the kind of thing that is perfectly normal in an autocratic state, as in Russia, where one cannot mock the boss without fear of the police.

Yet, we and the rest of the animal kingdom are all creatures of habit -- that is perfectly "normal" -- but the "norm" is just the center of activity with 50% on one side and 50% on the other -- hardly anyone is perfectly "normal", per se.

That is perfectly normal.

"That is perfectly normal, and it is good government".

That is perfectly normal and a healthy body will constantly readjust to change.

"Well, not that I'm a teacher, but what Andy taught me is that is perfectly normal".

"In Moscow, which is a very nice city, that's perfectly normal.

Of course, translation is a subtle craft; phrases that are perfectly normal in one language might emerge sounding incredibly bizarre in another.

If you're one of the main characters that's perfectly normal.

If you're feeling scared by the idea of a 12-story drop going 60 mph (97 km/h), that's perfectly normal.

For example, a weak battery or worn out alternator can set five or more codes in systems that are perfectly normal.