| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be a [noun sg] [prep] | 2655 |
|
| 2 | to be at [noun sg] [prep] | 63 |
|
| 3 | to be at a [noun sg] | 31 |
|
| 4 | be at a [noun sg] [prep] | 30 |
|
