English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
MASTERING WORDS THAT GO IN PAIRS: GRAMMAR FOR EMERITUS PROFESSOR AYO BAMGBOSE
Scholars like Emeritus Professor Ayo Bamgbose knows the ~in and out~ of academic writing (nonstandard).
Scholars like Emeritus Professor Ayo Bamgbose knows the *ins and outs* of academic writing (standard).
The ins and outs of a situation are all the detailed points and facts about it.
You’ll know how to mind your ~p and q~ if you study great men like Emeritus Professor Ayo Bamgbose (nonstandard).
You’ll know how to mind your *p’s and q’s* if you study great men like Emeritus Professor Ayo Bamgbose (standard).
To mind your p’s and q’s is to try to speak and behave politely or to act in an acceptable way, so that you do not offend people.
GAB
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