| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [verb] | 176074 |
|
| 2 | had [to-vb] | 17567 |
|
| 3 | [verb] to wait | 1683 |
|
| 4 | have to wait | 1246 |
|
| 5 | had wait | 490 |
|
| 6 | [vb past] to wait | 430 |
|
