| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have to be | 18021 |
|
| 2 | had to [be] | 5406 |
|
| 3 | has to [be] | 4534 |
|
| 4 | have to [be] | 4229 |
|
| 5 | have to [be] | 3284 |
|
| 6 | had to [be] | 324 |
|
| 7 | having to [be] | 147 |
|
| 8 | to have to [be] | 83 |
|
| 9 | 've to [be] | 8 |
|
