| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have to look | 300 |
|
| 2 | have to look | 252 |
|
| 3 | had to look | 158 |
|
| 4 | has to look | 68 |
|
| 5 | having to look | 33 |
|
| 6 | had to look | 20 |
|
| 7 | to have to look | 19 |
|
