What is the difference between Although and But ? How to distinguish between Although and But . Let's see the following examples.
✗ Although I am small, but I run faster than him.
✓ Although I am small, I run faster than him.
✗ It is an old book, although it is very interesting.
✓ It is an old book, but it is very interesting.
Although: We use when contrasting one clause with another in the same sentence.
But: We use when linking two words or phrases that seem opposite or very different in meaning. Don’t use but at the beginning of a sentence in written English
Remember that: Although and but can not be used together.