| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they should be [vb pp] | 703 |
|
| 2 | they should be [v-ing] | 129 |
|
| 3 | they should be do | 29 |
|
| 4 | they should be allowed | 29 |
|
| 5 | they should be encourage | 29 |
|
| 6 | they should be allow | 29 |
|
| 7 | they should be encouraged | 29 |
|
| 8 | they should be give | 27 |
|
| 9 | they should be given | 26 |
|
| 10 | they should be doing | 26 |
|
| 11 | they should be use | 22 |
|
| 12 | they should be used | 21 |
|
| 13 | they should be keep | 18 |
|
| 14 | they should be kept | 18 |
|
| 15 | they should be make | 18 |
|
| 16 | they should be take | 17 |
|
| 17 | they should be treat | 17 |
|
| 18 | they should be treated | 16 |
|
| 19 | they should be made | 16 |
|
| 20 | they should be taken | 14 |
|
| 21 | they should be taught | 13 |
|
| 22 | they should be teach | 13 |
|
| 23 | they should be see | 11 |
|
| 24 | they should be seen | 10 |
|
| 25 | they should be deal | 10 |
|
| 26 | they should be put | 9 |
|
| 27 | they should be leave | 9 |
|
| 28 | they should be dealt | 9 |
|
| 29 | they should be left | 9 |
|
| 30 | they should be consider | 8 |
|
