| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have [been] a series | 20 |
|
| 2 | there have [been] a series | 19 |
|
| 3 | there have [been] a series | 19 |
|
| 4 | [ex0] have [been] a series | 19 |
|
| 5 | have [been] [v-ing] a series | 6 |
|
| 6 | have [been] [verb] a series | 6 |
|
| 7 | have [been] a series [prep] | 32 |
|
| 8 | have [been] a series [prep] | 32 |
|
| 9 | have [been] a series of | 31 |
|
| 10 | have [been] a series of | 31 |
|
