| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is rare for [art] | 23 |
|
| 2 | it is rare for [art] | 23 |
|
| 3 | it is rare for a | 15 |
|
| 4 | it is rare for [adj] | 12 |
|
| 5 | it is rare for a | 11 |
|
| 6 | it is rare for the | 8 |
|
| 7 | it is rare for [noun] | 8 |
|
| 8 | it is rare for the | 8 |
|
| 9 | it is rare for [det] | 7 |
|
| 10 | [conj] it is rare for | 9 |
|
| 11 | [noun] it is rare for | 5 |
|
| 12 | it is [adv] rare for | 29 |
|
| 13 | it is [adv] rare for | 28 |
|
| 14 | it is very rare for | 11 |
|
| 15 | it is very rare for | 11 |
|
| 16 | it is extremely rare for | 7 |
|
| 17 | it is extremely rare for | 7 |
|
