| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the 1991 world [noun] | 23 |
|
| 2 | [prep] the 1991 world [noun] | 23 |
|
| 3 | in the 1991 world [noun] | 8 |
|
| 4 | in the 1991 world [noun] | 8 |
|
| 5 | the 1991 world [noun] [noun] | 9 |
|
| 6 | the 1991 world [noun sg] [noun] | 9 |
|
| 7 | the 1991 world [noun] [noun] | 9 |
|
| 8 | the 1991 world [noun] [noun sg] | 6 |
|
