If you write in other languages, other than English, you might have to access international punctuation. Even if you said your keyboard to be English, you can still access some of the international punctuation symbols that you need.
To access the international punctuation symbols, you hold your finger on the key that you desire on the keyboard. After a short delay, you will see any international punctuation that is available. Sliding the across to the desired punctuation and take your finger off the screen.