Common Mistakes : Period
Period – Noun
BAD: These traditions took a long period of time to evolve
GOOD: These traditions took a long time to evolve
BAD: She needs somewhere to live for a period of time
GOOD: She needs somewhere to live for a while
a (long/short) time/while (WITHOUT period ): ‘You can stay here for a while, if you like. Learning a foreign language can take a very long time
