| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [was/were] [adv] used [prep] | 214 |
|
| 2 | [noun] [was/were] [adv] used [prep] | 194 |
|
| 3 | [noun] [was/were] frequently [verb] [prep] | 74 |
|
| 4 | [noun] [was/were] frequently [vb pp] [prep] | 73 |
|
| 5 | [noun] [be] frequently used [prep] | 27 |
|
| 6 | [noun] [was/were] frequently use [prep] | 7 |
|
| 7 | [noun] [was/were] frequently used [prep] | 7 |
|
| 8 | [noun] [was/were] frequently used [prep] | 7 |
|
