| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they should be [vb pp] | 720 |
|
| 2 | they should be [vb pp] | 703 |
|
| 3 | they should be allowed | 29 |
|
| 4 | they should be encouraged | 29 |
|
| 5 | they should be given | 27 |
|
| 6 | they should be used | 21 |
|
| 7 | they should be kept | 18 |
|
| 8 | they should be made | 18 |
|
| 9 | them should be [vb pp] | 17 |
|
| 10 | they should be treated | 16 |
|
| 11 | they should be taken | 14 |
|
| 12 | they should be taught | 13 |
|
| 13 | they should be seen | 11 |
|
| 14 | they should be dealt | 9 |
|
| 15 | they should be put | 9 |
|
| 16 | they should be left | 9 |
|
| 17 | they should be sent | 8 |
|
| 18 | they should be included | 8 |
|
| 19 | they should be regarded | 7 |
|
| 20 | they should be shown | 7 |
|
| 21 | they should be paid | 7 |
|
| 22 | they should be considered | 7 |
|
| 23 | they should be removed | 7 |
|
| 24 | they should be designed | 6 |
|
| 25 | they should be asked | 5 |
|
| 26 | they should be planted | 5 |
|
| 27 | they should be followed | 5 |
|
| 28 | they should be compensated | 5 |
|
| 29 | they should be returned | 5 |
|
| 30 | they should be held | 5 |
|
