1 If we don't stop polluting the water, we will not have fresh water to use. ( If 1: If + S1 + Vs/es, S2 + will + Vinf )
2 The tickets will be collected by Mr Smith. ( câu bị động tương lai đơn: S + will + be + Vpp )
3 The polluted water makes the fish dead. ( Make + SO + Vinf/ adj )