| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adj] for | 1927 |
|
| 2 | it is possible for | 256 |
|
| 3 | it is important for | 191 |
|
| 4 | it is difficult for | 139 |
|
| 5 | it is necessary for | 104 |
|
| 6 | it is impossible for | 88 |
|
| 7 | it is essential for | 71 |
|
| 8 | it is common for | 61 |
|
| 9 | it is easy for | 54 |
|
| 10 | it is usual for | 52 |
|
| 11 | it is good for | 50 |
|
| 12 | it is rare for | 47 |
|
| 13 | it is hard for | 46 |
|
| 14 | it is unusual for | 41 |
|
| 15 | it is suitable for | 28 |
|
| 16 | it is vital for | 26 |
|
| 17 | it is appropriate for | 26 |
|
| 18 | it is responsible for | 26 |
|
| 19 | it is right for | 23 |
|
| 20 | it is normal for | 22 |
|
| 21 | it is natural for | 21 |
|
| 22 | it is useful for | 21 |
|
| 23 | it is ideal for | 19 |
|
| 24 | it is sufficient for | 18 |
|
| 25 | it is wrong for | 17 |
|
| 26 | it is reasonable for | 17 |
|
| 27 | it is customary for | 15 |
|
| 28 | it is advisable for | 14 |
|
| 29 | it is convenient for | 14 |
|
| 30 | it is available for | 13 |
|
