| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [vb pp] [prep] this | 554 |
|
| 2 | have [vb pp] [prep] this chapter | 30 |
|
| 3 | have [been] [vb pp] [prep] chapter | 29 |
|
| 4 | [been] [vb pp] [prep] this chapter | 24 |
|
