However, the more you read, the more you'll pick up on general spelling rules. Lastly, when you teach reading to adults be aware that sometimes a brain injury can interfere with the usual learning process. You will be teaching the facts one step Adult learn to read a time, in order of difficulty. Keep lessons positive and give lots of praise when you teach reading to adults. After six months, the researches scanned their subjects again. A car manual too still requires that we read instructions.