| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had to find | 212 |
|
| 2 | have to find | 212 |
|
| 3 | have to find | 162 |
|
| 4 | has to find | 64 |
|
| 5 | having to find | 34 |
|
| 6 | had to find | 25 |
|
| 7 | to have to find | 12 |
|
