| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] [adj] extent | 88 |
|
| 2 | [be] [vb pp] to [adj] extent | 88 |
|
| 3 | [be] [vb pp] [prep] [det] extent | 85 |
|
| 4 | [be] [vb pp] [prep] [adj] extent | 85 |
|
| 5 | [be] [vb pp] [prep] some extent | 83 |
|
| 6 | [be] [vb pp] [prep] some extent | 83 |
|
| 7 | [was/were] [vb pp] [prep] [adj] extent | 25 |
|
| 8 | be [vb pp] [prep] [adj] extent | 22 |
|
| 9 | [be] [vb pp] [prep] [adj] extent | 22 |
|
| 10 | was [vb pp] [prep] [adj] extent | 19 |
|
| 11 | been [vb pp] [prep] [adj] extent | 15 |
|
| 12 | [is] [vb pp] [prep] [adj] extent | 15 |
|
| 13 | [been] [vb pp] [prep] [adj] extent | 15 |
|
| 14 | is [vb pp] [prep] [adj] extent | 14 |
|
| 15 | are [vb pp] [prep] [adj] extent | 11 |
|
| 16 | [am/are] [vb pp] [prep] [adj] extent | 11 |
|
| 17 | were [vb pp] [prep] [adj] extent | 6 |
|
