Just a couple of common mistakes from my writing course today:

Example is not spelled exemple

Exemplary is not spelled examplary

Research is non-count. If you want a count noun with a similar meaning, try using “studies” or “tests” instead. “I completed research for the scientist.” OR “I completed three studies for the scientist.”

Have something with – I’ll have a burger with fries, please. Not have something to.

A student told me of a quote in Russian that shows a good attitude to failure: “He who doesn’t take risks doesn’t drink champagne.” I know of a quote from sports that means the same thing: “You miss all of the shots you don’t take.”

These and those: “These” talks about things we have already discussed, or the first of two groups. “Those” talks about the second of two groups.  “These are good, but those are bad.”