B. PRESENT PERFECT (has / have + PP(V3/Ved) 1. They have just built a new hospital near the airport. 🡪 2. He hasn’t seen the younger son for three weeks. 🡪 3. Workers have built a new bridge in this area. 🡪 A new bridge 4. The scientists have studied this problem carefully. 🡪 This problem 5. Hoa has already told him the whole truth. 🡪He

Các câu hỏi liên quan