| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] about 20 | 8 |
|
| 2 | [be] [vb pp] about 20 | 8 |
|
| 3 | [was/were] [vb pp] about 20 | 6 |
|
| 4 | [noun] [vb pp] about 20 | 6 |
|
| 5 | was [vb pp] about 20 | 6 |
|
| 6 | [verb] [vb pp] about 20 | 5 |
|
| 7 | have [vb pp] about 20 | 5 |
|
| 8 | [vb pp] [prep] about 20 | 12 |
|
| 9 | [vb pp] [prep] about 20 | 12 |
|
| 10 | [vb pp] to about 20 | 7 |
|
| 11 | [vb pp] to about 20 | 7 |
|
| 12 | [vb pp] about 20 [noun] | 18 |
|
| 13 | [vb pp] about 20 [noun pl] | 16 |
|
| 14 | [vb pp] about 20 year | 5 |
|
| 15 | [vb pp] about 20 years | 5 |
|
