| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [prep] be [verb] for | 68 |
|
| 2 | was [prep] be [vb pp] for | 68 |
|
| 3 | be [prep] be used for | 52 |
|
| 4 | [be] [prep] be used for | 52 |
|
| 5 | was [prep] be used [prep] | 28 |
|
| 6 | was [prep] be used [prep] | 28 |
|
| 7 | [was/were] [prep] be used for | 14 |
|
| 8 | was [prep] be used for | 10 |
|
| 9 | was [prep] be use for | 10 |
|
| 10 | was [prep] be used for | 10 |
|
| 11 | was [prep] [be] used for | 10 |
|
