| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] it is [adj] for | 138 |
|
| 2 | [noun sg] it is [adj] for | 87 |
|
| 3 | [noun pl] it is [adj] for | 46 |
|
| 4 | [noun] it is possible for | 23 |
|
| 5 | [noun] it is necessary for | 14 |
|
| 6 | [noun] it is important for | 12 |
|
| 7 | [noun] it is essential for | 10 |
|
| 8 | [noun] it is difficult for | 8 |
|
| 9 | [noun] it is impossible for | 7 |
|
| 10 | case it is [adj] for | 7 |
|
| 11 | [noun] it is usual for | 6 |
|
| 12 | cases it is [adj] for | 6 |
|
| 13 | purpose it is [adj] for | 5 |
|
| 14 | [noun] it is rare for | 5 |
|
| 15 | purposes it is [adj] for | 5 |
|
| 16 | reason it is [adj] for | 5 |
|
