| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what it is for | 13 |
|
| 2 | [prep] what it is for | 12 |
|
| 3 | [prep] what it is for | 12 |
|
| 4 | of what it is for | 10 |
|
| 5 | of what it is for | 10 |
|
| 6 | know what it is for | 5 |
|
| 7 | what it is [prep] for | 7 |
|
| 8 | what it is like for | 7 |
|
| 9 | what it is [prep] for | 7 |
|
| 10 | what it is like for | 7 |
|
| 11 | what it is [adj] for | 6 |
|
| 12 | what it is [adj] for | 6 |
|
| 13 | what it is for [art] | 10 |
|
| 14 | what it is for [art] | 10 |
|
| 15 | what it is for a | 10 |
|
| 16 | what it is for a | 10 |
|
| 17 | what it is for [pron] | 9 |
|
| 18 | what it is for [noun] | 5 |
|
| 19 | what it is for [indef pn] | 5 |
|
