| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what it is for [indef pn] | 5 |
|
| 2 | [pron] it is for [indef pn] | 5 |
|
| 3 | what it is for [indef pn] | 5 |
|
| 4 | [Wh det] it is for [indef pn] | 5 |
|
| 5 | it is [adj] for [indef pn] | 47 |
|
| 6 | it is [adj] for [indef pn] | 44 |
|
| 7 | it is difficult for [indef pn] | 7 |
|
| 8 | it is difficult for [indef pn] | 7 |
|
| 9 | it is impossible for [indef pn] | 6 |
|
| 10 | it is [verb] for [indef pn] | 6 |
|
| 11 | it is impossible for [indef pn] | 6 |
|
| 12 | it is necessary for [indef pn] | 5 |
|
| 13 | it is [adv] for [indef pn] | 5 |
|
| 14 | it is possible for [indef pn] | 5 |
|
| 15 | it is possible for [indef pn] | 5 |
|
| 16 | it is necessary for [indef pn] | 5 |
|
| 17 | it is not for [indef pn] | 5 |
|
| 18 | it is [not/n't] for [indef pn] | 5 |
|
| 19 | it is for [indef pn] [prep] | 7 |
|
| 20 | it is for [indef pn] [prep] | 7 |
|
