| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had been [adv] busy | 31 |
|
| 2 | had been too busy | 11 |
|
| 3 | had been too busy | 11 |
|
| 4 | had been so busy | 9 |
|
| 5 | had been so busy | 9 |
|
| 6 | had been very busy | 8 |
|
| 7 | had been very busy | 8 |
|
