| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] a series | 371 |
|
| 2 | be [vb pp] [prep] a [n mass] | 221 |
|
| 3 | be [vb pp] by a [n mass] | 217 |
|
| 4 | be [vb pp] as a [n mass] | 190 |
|
| 5 | was [vb pp] [prep] a [n mass] | 186 |
|
| 6 | is [vb pp] [prep] a [n mass] | 147 |
|
| 7 | be [vb pp] [prep] a means | 123 |
|
| 8 | be [vb pp] in a [n mass] | 115 |
|
| 9 | been [vb pp] [prep] a [n mass] | 94 |
|
| 10 | were [vb pp] [prep] a [n mass] | 76 |
|
| 11 | be [vb pp] [prep] a pair | 62 |
|
| 12 | are [vb pp] [prep] a [n mass] | 59 |
|
| 13 | be [vb pp] with a [n mass] | 58 |
|
| 14 | be [vb pp] on a [n mass] | 45 |
|
| 15 | be [vb pp] to a [n mass] | 41 |
|
| 16 | be used [prep] a [n mass] | 40 |
|
| 17 | being [vb pp] [prep] a [n mass] | 38 |
|
| 18 | be [vb pp] into a [n mass] | 28 |
|
| 19 | be seen [prep] a [n mass] | 27 |
|
| 20 | be [vb pp] for a [n mass] | 26 |
|
| 21 | be [vb pp] through a [n mass] | 24 |
|
| 22 | be followed [prep] a [n mass] | 24 |
|
| 23 | be based [prep] a [n mass] | 20 |
|
| 24 | be [vb pp] from a [n mass] | 19 |
|
| 25 | be treated [prep] a [n mass] | 15 |
|
| 26 | be presented [prep] a [n mass] | 15 |
|
| 27 | be [vb pp] [prep] a staff | 14 |
|
| 28 | be [vb pp] [prep] a data | 13 |
|
| 29 | be built [prep] a [n mass] | 10 |
|
| 30 | be [vb pp] [prep] a fish | 10 |
|
