নিয়ম:

1. Meals-এর আগে সাধারণত a/an ব্যবহার করা হয় না।

   • উদাহরণ: I have breakfast at 8 a.m.

   • এখানে breakfast noun, কিন্তু সাধারণ নামের meal, তাই article লাগে না।

2. Meals-এর আগে যদি adjective থাকে, তাহলে a/an ব্যবহার করা হয়।

   • উদাহরণ: We had a good breakfast yesterday.

   • এখানে good adjective, তাই a লাগে।

Complete sentence:

• They prepared a lovely dinner for the guests. 

• এখানে lovely adjective, তাই a বসানো হয়েছে।

Source: Advanced Learner’s by Chowdhury & Hossain

Complete sentence: There was a little food in the fridge.

Usage of Determiners (little, a little, a few, few):

• These are quantifier determiners used to indicate quantity or number.

• A few → used before countable nouns to indicate a small number

• A little → used before uncountable nouns to indicate a small amount

• Little and few → negative sense, meaning very little or hardly any

• In the given sentence, food is an uncountable noun, so a little is used.

Usage of Determiners (much/many):

• Many → used with countable nouns

• Much → used with uncountable nouns

Complete sentence:
If they had left earlier, they would have caught the train.

Explanation:

• This is a 3rd Conditional sentence.

• 3rd Conditional Structure:

  • If clause → If + Past Perfect (had + V3)

  • Main clause → would/could/might + have + V3

• It expresses a hypothetical situation in the past that did not happen.

Examples:

• If he had studied harder, he would have passed the exam.

• If they had left earlier, they would have caught the train.

Source: A Passage To The English Language, S. M. Zakir Hussain.