| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] [prep] a | 971 |
|
| 2 | could be [vb pp] [prep] a | 950 |
|
| 3 | could be [verb] as a | 286 |
|
| 4 | could be [verb] by a | 147 |
|
| 5 | could be [verb] in a | 106 |
|
| 6 | could be [verb] to a | 74 |
|
| 7 | could be use [prep] a | 70 |
|
| 8 | could be used [prep] a | 70 |
|
| 9 | could be [verb] with a | 61 |
|
| 10 | could be seen [prep] a | 60 |
|
| 11 | could be see [prep] a | 60 |
|
| 12 | could be [verb] into a | 57 |
|
| 13 | could be [verb] for a | 57 |
|
| 14 | could be [verb] on a | 52 |
|
| 15 | could be [verb] at a | 30 |
|
| 16 | could be [verb] from a | 30 |
|
| 17 | could be describe [prep] a | 29 |
|
| 18 | could be described [prep] a | 29 |
|
| 19 | could be regarded [prep] a | 27 |
|
| 20 | could be regard [prep] a | 27 |
|
| 21 | could be [v-ing] [prep] a | 21 |
|
| 22 | could be taken [prep] a | 19 |
|
| 23 | could be take [prep] a | 19 |
|
| 24 | could be achieve [prep] a | 18 |
|
| 25 | could be made [prep] a | 18 |
|
| 26 | could be make [prep] a | 18 |
|
| 27 | could be achieved [prep] a | 18 |
|
| 28 | could be interpreted [prep] a | 17 |
|
| 29 | could be interpret [prep] a | 17 |
|
| 30 | could be do [prep] a | 14 |
|
