I can give you the King's English and then I can take it to the street, but do both or do one and don't do one knowing only the street. That's going to hold you back because what comes out is going to impress people, and it will impress them negatively.
“I've never understood what the upside of marriage would be for me personally.”
“The pattern of things was that each of the research students would be doing some particular experiment on the accelerator, often involving the building of counters or a system like that.”