| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] a [noun sg] | 9521 |
|
| 2 | be [prep] a [noun sg] | 9519 |
|
| 3 | been [prep] [art] [noun sg] | 3372 |
|
| 4 | been [prep] a [noun] | 765 |
|
| 5 | [been] [prep] a [noun sg] | 728 |
|
