Перевидите : half past three, at a quarter to twelve, to look after the children

если нужно использовать только формулу " i  " , то:

i can build a farmhouse.

i can go across the bridge.

i can dig in the garden.

i can ride a horse.

everyone agrees that unless tiger population is protected ,they will become extinct.if it were not the efforts made by international campaigns the extinction would already have become a fact.it is time to cooperate and help to animals otherwise the future will be sad.supposing there were no tigers left in the world: how would we all feel? !