Mode1:The trouble is that he has lost your address.
1.The difficulty is that ... . 2. The matter was that ... . 3. The thing is that ... . 4. The question was why (where, ... . 5. The problem was how (what, who, which) ... . 6. The reason is that ... . 7. The result was that ... 8 The trouble was how ... . 9. What worried her most was ... . 10. The fact is ... . 11. The fact of the matter is ... . 12. Our proposal is that … 13. The order is … 14. Their demand was… 15. The chairman’s recommendation is … 16. The plan was… 17. Our wish is … 18. The commander’s order was … 19. The arrangement was… 20. Our common desire is …