| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is possible | 3378 |
|
| 2 | it is important | 3028 |
|
| 3 | it is difficult | 1916 |
|
| 4 | it is clear | 1772 |
|
| 5 | it is necessary | 1407 |
|
| 6 | it is likely | 1179 |
|
| 7 | it is true | 1112 |
|
| 8 | it is essential | 830 |
|
| 9 | it is easy | 825 |
|
| 10 | it is hard | 812 |
|
| 11 | it is impossible | 811 |
|
| 12 | it is unlikely | 657 |
|
| 13 | it is interesting | 613 |
|
| 14 | it is vital | 366 |
|
| 15 | it is good | 333 |
|
| 16 | it is obvious | 299 |
|
| 17 | it is doubtful | 278 |
|
| 18 | it is useful | 268 |
|
| 19 | it is appropriate | 242 |
|
| 20 | it is evident | 239 |
|
| 21 | it is reasonable | 237 |
|
| 22 | it is probable | 232 |
|
| 23 | it is common | 209 |
|
| 24 | it is significant | 185 |
|
| 25 | it is usual | 181 |
|
| 26 | it is advisable | 178 |
|
| 27 | it is surprising | 163 |
|
| 28 | it is available | 163 |
|
| 29 | it is fair | 154 |
|
| 30 | it is tempting | 148 |
|
