These are the spelling words you have to know by the end of year 1, 2, 3, and 4. Maybe ask someone to test you on them and see how many you know. Then try to find ways of learning the ones you didn't get right. Of course, you don't have to know all the year 3 and 4 ones yet. The links below have loads of lessons on how to learn certain spelling rules to help you learn them.