| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] only [verb] | 761 |
|
| 2 | [is] [adv] require | 399 |
|
| 3 | [is] [adv] require | 251 |
|
| 4 | [be] only require | 22 |
|
| 5 | [is] only require | 11 |
|
