Here's why:
* Short vowel sound: The "a" in "can" makes a short vowel sound, similar to the "a" in "cat".
* Long vowel sound: Long vowel sounds are typically represented by a vowel followed by a silent "e" at the end of a word (like "cake") or by a vowel followed by a consonant (like "rain").
Let me know if you have any other words you'd like to check!