1) I made a birthday card for my Dad by myself. My Dad loves the card very much.
=> My Dad loves the birthday card which I made for him by myself very much
2) We went to the play last night. We enjoyed the play very much.
=> We enjoyed the play which we went to last night
3) Tomorrow I'm going to the airport to collect a Malaysian friend. I showed you her picture last week.
=> Tomorrow I'm going to the airport to collect a Malaysian friend whose picture I showed you last week
4) It was the same boy. I met him yesterday.
=> It was the same boy whom I met yesterday
5) She was seriously ill, but she enjoyed life very much.
=> Although she was seriously ill, she enjoyed life very much
6) He stayed home because he had a stomachache.
=> He had a stomachache, so he stayed home
7) We shouldn't make too much noise because the baby will wake up.
=> If we make too much noise, the baby will wake up
8) Timothy and Kitty should buy a bigger house because the want to have another baby.
=> If Timothy and Kitty want to have another baby, they should buy a bigger house
9) Ice on the poles will melt because the temperature keeps increasing.
=> If the temperature keeps increasing, Ice on the poles will melt
10) The weather will be bad tomorrow. We can't go on a picnic.
=> If the weather is bad tomorrow, we won't go on a picnic
11) Reduce the use of energy or you'll pay more for it.
=> If you don't reduce the use of energy, you'll pay more for it
12) We know more .about our country and we love it more.
=> If we know more .about our country, we will love it more