| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long series [prep] | 34 |
|
| 2 | [prep] a long series of | 34 |
|
| 3 | of a long series [prep] | 9 |
|
| 4 | in a long series [prep] | 7 |
|
