| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | first [noun sg] a [noun sg] | 108 |
|
| 2 | at [noun sg] a [noun sg] | 71 |
|
| 3 | at first [noun sg] [noun sg] | 23 |
|
| 4 | at first [noun sg] a | 9 |
|
| 5 | at first a [noun sg] | 6 |
|
