| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [prep] less than a | 6 |
|
| 2 | [vb past] [prep] less than a [noun sg] | 11 |
|
| 3 | [vb past] [prep] less than a [noun] | 11 |
|
