| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] be [verb] [adj] | 40 |
|
| 2 | could [vb infin] [be] [verb] [adj] | 40 |
|
| 3 | could have [be] [verb] [adj] | 29 |
|
| 4 | could [verb] [been] [verb] [adj] | 29 |
|
| 5 | could [verb] been [verb] [adj] | 29 |
|
| 6 | could have [be] [verb] [adj] | 27 |
|
| 7 | could [verb] [be] [vb pp] [adj] | 27 |
|
| 8 | could [verb] [be] [verb] [adj] | 19 |
|
| 9 | could [verb] [be] [verb] [det] | 12 |
|
| 10 | could [verb] [was/were] [verb] [adj] | 10 |
|
| 11 | could [verb] was [verb] [adj] | 7 |
|
| 12 | could do [be] [verb] [adj] | 7 |
|
| 13 | could do [be] [verb] [adj] | 7 |
|
| 14 | could [verb] [be] [v-ing] [adj] | 7 |
|
| 15 | could [verb] [be] [verb] [num] | 6 |
|
