| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which must be [vb pp] | 414 |
|
| 2 | which must be [vb pp] | 414 |
|
| 3 | which must be considered | 15 |
|
| 4 | which must be taken | 14 |
|
| 5 | which must be addressed | 12 |
|
| 6 | which must be made | 11 |
|
| 7 | which must be met | 11 |
|
| 8 | which must be paid | 10 |
|
| 9 | which must be fulfilled | 8 |
|
| 10 | which must be faced | 7 |
|
| 11 | which must be sent | 6 |
|
| 12 | which must be given | 6 |
|
| 13 | which must be followed | 5 |
|
| 14 | which must be applied | 5 |
|
| 15 | which must be used | 5 |
|
| 16 | which must be brought | 5 |
|
| 17 | which must be kept | 5 |
|
| 18 | which must be provided | 5 |
|
| 19 | which must be maintained | 5 |
|
