Common Mistakes in English: Complain vs. Complaint

This video from the Quick English Tips series by Letstute explains the difference between the words 'complain' and 'complaint'. 'Complain' is a verb used to express dissatisfaction or annoyance in an informal context, while 'complaint' is a noun used in a formal context to refer to dissatisfaction or annoyance. The video provides examples and tips to distinguish between the two, such as using prepositions and identifying verb forms. A quick test at the end helps reinforce the learning.

What new insight or understanding did you gain from this video?