| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had yet to | 61 |
|
| 2 | had still to | 30 |
|
| 3 | had also to | 12 |
|
| 4 | had only to | 10 |
|
| 5 | had now to | 9 |
|
| 6 | had therefore to | 8 |
|
| 7 | had always to | 8 |
|
