| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [prep] first class [noun sg] | 11 |
|
| 2 | [pers pn] by first class [noun sg] | 10 |
|
| 3 | [pers pn] [prep] first class post | 10 |
|
| 4 | it [prep] first class [noun sg] | 8 |
|
