| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they can be [verb] | 1299 |
|
| 2 | they can be [vb pp] | 1294 |
|
| 3 | [pron] can be bought | 40 |
|
| 4 | they [modal v] be bought | 14 |
|
| 5 | they [vb mod] be bought | 14 |
|
| 6 | they can [be] bought | 10 |
|
| 7 | they can be buy | 10 |
|
| 8 | they can [be] bought | 10 |
|
| 9 | they can be bought | 10 |
|
| 10 | they can be bought | 10 |
|
