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have been were had been are
took place have taken place were taken place have been taken place
happened has happened experienced has experienced
took place have taken place were taken place have been taken place
happened taken place been taken place been happened
have been taken place have taken place h
have been were is staying has stayed
have been taken place was happened have taken place have happened
take place took place have taken place have happened
have been were had been are
have been taken place took place have taken place were taken place
took place have taken place have been happened broke out
has taken have taken has been taken have been taken
have been taken place took place have taken place were taken place
Great changes have been taken place What great change How it has changed How great it has changed
have taken placE. took place have been happened were taken place
have been were had been are
took the place have taken place were taken place took place
were have been had been are