| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [vb pp] [prep] a [n mass] | 59 |
|
| 2 | [am/are] [vb pp] [prep] a series | 38 |
|
| 3 | [am/are] [vb pp] in a [n mass] | 15 |
|
| 4 | [am/are] [vb pp] by a [n mass] | 10 |
|
| 5 | [am/are] [vb pp] as a [n mass] | 8 |
|
| 6 | [am/are] [vb pp] from a [n mass] | 5 |
|
| 7 | [am/are] [vb pp] on a [n mass] | 5 |
|
