Put the verbs in brackets into the correct tense form. (already to be) to this zoo? -yes,we go) there last saturday.2)your friends have)an opportunity to take part in the festival next summer.3) (to watch) the birds in the next pavilion.4)how long take) to get to that waterfall? -it take) three hours.my parents decide) to postpone their trip after they hear) the news about the flood in that city last wednesday.

1) Have you already been to this zoo? 
-Yes,we went there last Saturday.
2) Your friends have an opportunity to take part in the Festival next summer.
3)Where is Nelly?
-She is watching the birds in the next pavilion.
4) How long does it usually take to get to that waterfall?
-It usually takes three hours.My parents decided to postpone their trip after they heard the news about the flood in that city last Wednesday.