1. He said ( Past Simple Active Voice) that our machines met ( Past Simple Active Voice) their requirements and they were interested ( Past Simple Passive Voice) in buying them.
2. I’ve studied ( Present Perfect Active Voice)the new model closely.
3. Our machines are ( Present Simple Active Voice) of high quality therefore customers are pleased ( Present Simple Passive Voice)with them.
4. He said ( Past Simple Active Voice) he had received ( Past Perfect Active Voice) a lot of orders for our products.
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