| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | account of [Wh det] it is for | 5 |
|
| 2 | account of [pron] it is for | 5 |
|
| 3 | account of what it is for | 5 |
|
| 4 | account of [pron] it is for | 5 |
|
| 5 | account of what it is for | 5 |
|
| 6 | account of [pron] it is for | 5 |
|
