| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] at [det] [noun] | 617 |
|
| 2 | [prep] [noun sg] at [det] [noun sg] | 464 |
|
| 3 | [prep] [noun] at [det] stage | 86 |
|
| 4 | [prep] [noun sg] at [adj] stage | 73 |
|
| 5 | [prep] [noun sg] at [det] stage | 67 |
|
| 6 | [prep] [noun sg] [prep] [det] stage | 63 |
|
| 7 | [prep] [noun sg] [prep] [det] stage | 63 |
|
| 8 | [prep] [noun sg] at [det] stage | 58 |
|
