| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [verb] [is] | 1769 |
|
| 2 | [vb base] [vb pp] [is] | 532 |
|
| 3 | [verb] used [is] | 9 |
|
| 4 | [vb base] use [is] | 8 |
|
| 5 | [vb base] used [be] | 8 |
|
