#1. use right form of the adjective: 1. i can't understand what you're saying. could you speak a bit (slow)? 2. a snail is (slow) than a tortoise. 3. i'd like to change cars (often) 4 my mother was feeling tired last night so she went to bed (early) than usual. #2. use the present simple or the present progressive: 1. you cannot (to have) the book now bacause my brother (to read) it. 2. some people (to do) everething with their left hand. 3. who (to make) that terrible noise? -it is my son. 4. how you (to feel)? 5. switch on the light. it (to get) dark.