| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [n mass] of [verb] | 1333 |
|
| 2 | a [n mass] of [v-ing] | 1327 |
|
| 3 | a [noun] of keeping | 61 |
|
| 4 | [art] [n mass] of keeping | 16 |
|
| 5 | a [n mass] [prep] keeping | 14 |
|
| 6 | a [n mass] of keep | 14 |
|
| 7 | a [n mass] of keeping | 14 |
|
| 8 | a [n mass] [prep] keeping | 14 |
|
