| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used for this | 72 |
|
| 2 | [be] used for this | 72 |
|
| 3 | were used for [adj] | 45 |
|
| 4 | were [verb] for this | 43 |
|
| 5 | were [vb pp] for this | 34 |
|
| 6 | were used for [det] | 19 |
|
| 7 | [was/were] used for this | 14 |
|
| 8 | were used [prep] this | 14 |
|
| 9 | were used [prep] this | 14 |
|
| 10 | were used for this | 5 |
|
| 11 | were use for this | 5 |
|
| 12 | were used for this | 5 |
|
