| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [verb] [prep] a | 1001 |
|
| 2 | should be [verb] [prep] a | 1001 |
|
| 3 | should be [vb pp] [prep] a | 976 |
|
| 4 | should be [verb] as a | 252 |
|
| 5 | should be [verb] as a | 252 |
|
| 6 | should be [verb] in a | 180 |
|
| 7 | should be [verb] in a | 180 |
|
| 8 | should be [verb] by a | 117 |
|
| 9 | should be [verb] by a | 117 |
|
| 10 | should be [verb] to a | 102 |
|
| 11 | should be [verb] to a | 102 |
|
| 12 | should be [verb] on a | 91 |
|
| 13 | should be [verb] on a | 91 |
|
| 14 | should be [verb] with a | 90 |
|
| 15 | should be [verb] with a | 90 |
|
| 16 | should be see [prep] a | 53 |
|
| 17 | should be seen [prep] a | 53 |
|
| 18 | should be kept [prep] a | 42 |
|
| 19 | should be keep [prep] a | 42 |
|
| 20 | should be regarded [prep] a | 39 |
|
| 21 | should be regard [prep] a | 39 |
|
| 22 | should be [verb] for a | 38 |
|
| 23 | should be [verb] for a | 38 |
|
| 24 | should be treat [prep] a | 34 |
|
| 25 | should be treated [prep] a | 34 |
|
| 26 | should be use [prep] a | 30 |
|
| 27 | should be used [prep] a | 30 |
|
| 28 | should be [verb] at a | 26 |
|
| 29 | should be [verb] at a | 26 |
|
| 30 | should be [v-ing] [prep] a | 24 |
|
