| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] to be used | 13 |
|
| 2 | [pers pn] [modal v] to be used | 8 |
|
| 3 | [noun] [modal v] to be used | 6 |
|
| 4 | [modal v] [verb] to be used | 41 |
|
| 5 | [modal v] [vb infin] to be used | 40 |
|
| 6 | [modal v] have to be used | 19 |
|
| 7 | [modal v] have to be used | 19 |
|
| 8 | [modal v] continue to be used | 13 |
|
| 9 | [modal v] continue to be used | 12 |
|
| 10 | [modal v] need to be used | 6 |
|
| 11 | [modal v] need to be used | 6 |
|
| 12 | [modal v] to be used [prep] | 14 |
|
| 13 | [modal v] to be used [prep] | 14 |
|
