7. Our neighbour threatened ... the police if we didn’t stop the noise. (call)
8. We were hungry, so I suggested ... dinner early. (have)
9. Hurry up! I don’t want to risk ... the train. (miss)

7. Our neighbour threatened to call the police if we didn’t stop the noise. 8. We were hungry, so I suggested having dinner early. 9. Hurry up! I don’t want to risk missing the train.