| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [adv prt] [prep] a [noun] | 2354 |
|
| 2 | be [verb] [adv prt] at [art] [noun] | 464 |
|
| 3 | be [verb] [adv] at a [noun] | 126 |
|
| 4 | [be] [verb] [adv prt] at a [noun] | 73 |
|
