| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] [prep] a [noun] | 3659 |
|
| 2 | [been] [vb pp] [prep] a [noun] | 3298 |
|
| 3 | [be] held [prep] a [noun] | 216 |
|
| 4 | [been] held [prep] [art] [noun] | 59 |
|
| 5 | [been] held [prep] [art] [noun] | 59 |
|
| 6 | [been] held [prep] a [noun] | 16 |
|
| 7 | [been] hold [prep] a [noun] | 16 |
|
| 8 | [been] held [prep] a [noun] | 15 |
|
