Let's make a shopping list before we go to the supermarket

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? !

1) i have put the dot in the corner of sheet of paper.

2)i had put the dot in solution of this question.

1)i have dotted a lection.

2)i has dotted a word in the sentence.