| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [vb pp] to | 682 |
|
| 2 | must be give to | 69 |
|
| 3 | must be given to | 69 |
|
| 4 | must be made to | 34 |
|
| 5 | must be make to | 34 |
|
| 6 | must be send to | 33 |
|
| 7 | must be sent to | 33 |
|
| 8 | must be seen to | 32 |
|
| 9 | must be see to | 32 |
|
| 10 | must be [v-ing] to | 30 |
|
| 11 | must be relate to | 27 |
|
| 12 | must be related to | 27 |
|
| 13 | must be paid to | 22 |
|
| 14 | must be pay to | 22 |
|
| 15 | must be refer to | 21 |
|
| 16 | must be referred to | 17 |
|
| 17 | must be submit to | 16 |
|
| 18 | must be submitted to | 16 |
|
| 19 | must be return to | 15 |
|
| 20 | must be add to | 15 |
|
| 21 | must be added to | 15 |
|
| 22 | must be link to | 14 |
|
| 23 | must be returned to | 14 |
|
| 24 | must be linked to | 14 |
|
| 25 | must be notify to | 11 |
|
| 26 | must be apply to | 11 |
|
| 27 | must be notified to | 11 |
|
| 28 | must be applied to | 11 |
|
| 29 | must be known to | 10 |
|
| 30 | must be adhered to | 10 |
|
