| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had to be [verb] | 3704 |
|
| 2 | [verb] to be keep | 233 |
|
| 3 | have to be keep | 105 |
|
| 4 | [vb past] to be keep | 72 |
|
| 5 | had to [be] keep | 57 |
|
| 6 | had [prep] be keep | 57 |
|
| 7 | had to be keep | 57 |
|
| 8 | had to [be] keep | 57 |
|
| 9 | had [prep] be keep | 57 |
|
| 10 | had to be keep | 57 |
|
