| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they could [adv] be [prep] [art] | 5 |
|
| 2 | they could be [verb] [prep] [art] | 68 |
|
| 3 | they could be [vb pp] [prep] [art] | 61 |
|
| 4 | they could be [adj] [prep] [art] | 10 |
|
| 5 | they could be [v-ing] [prep] [art] | 7 |
|
| 6 | they could be use [prep] [art] | 7 |
|
| 7 | they could be used [prep] [art] | 7 |
|
| 8 | they could be [adj] [prep] [art] | 6 |
|
| 9 | they could be [prep] [art] [adj] | 5 |
|
| 10 | they could be [prep] [art] [noun] | 5 |
|
| 11 | they could be [prep] [art] [noun sg] | 5 |
|
