| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [not/n't] [been] [prep] | 228 |
|
| 2 | [vb base] [been] [prep] a | 187 |
|
| 3 | [not/n't] [been] [prep] a | 75 |
|
| 4 | [vb base] [not/n't] [prep] a | 37 |
|
| 5 | [vb base] [not/n't] [been] a | 18 |
|
