| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is then [verb] | 1127 |
|
| 2 | is [adv] require | 394 |
|
| 3 | is [adv] require | 249 |
|
| 4 | be then require | 21 |
|
| 5 | [be] then require | 21 |
|
| 6 | [is] then require | 13 |
|
| 7 | is then require | 13 |
|
