Past Perfect. Utilizzi il verbo che corrisponde nel simple past. Utilizzi i verbi: to listen, to reduce, to doubt, to leave, to work, to take, to see, to move, to drink, to approach, to be

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Past Perfect. Utilizzi il verbo che corrisponde nel simple past. Utilizzi i verbi: to listen, to reduce, to doubt, to leave, to work, to take, to see, to move, to drink, to approach, to be