How and where to use ‘During’, ‘while’, and ‘for’?

We are often perplexed, when using these prepositions of time. Though these words seem to be similar in meaning they can be used in different grammatical context. The following explanation and examples show the difference between during,
English, The Language

To have another language is to possess a second soul, and English is considered a language of wisdom. Have you ever thought about why English is considered a universal language? Why is it so important? Always in demand!
How and where to use ‘should’, ‘could’, ‘would’?

‘Should’, ‘would’, ‘could’ are modal auxiliary verbs that can be defined as past tense of ‘can, ‘shall’ and ‘will’.