1.I am looking for the bag. I always look for the bag, I found the bag. I always find the bag.
2. He is looking for the pen. He always looks for the pen. He found the pencil. He always finds the pencil .(или pen везде, по смыслу не понятно)
3. She is looking for the book. She always looks for the book. She found the copy-book. She always finds the copybook. (или book везде)
4. We are looking for the ruler. We always look for the ruler. We found the ruler. We always find the ruler.