| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the first [noun] | 575 |
|
| 2 | at the first [noun sg] | 542 |
|
| 3 | at the [adj] session | 61 |
|
| 4 | [prep] the first session | 53 |
|
| 5 | at the [num ord] session | 42 |
|
| 6 | at the first session | 7 |
|
| 7 | at the first session | 7 |
|
| 8 | at the first session | 7 |
|
| 9 | at [art] first session | 7 |
|
| 10 | at [art] first session | 7 |
|
