| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] is [adv] often [vb pp] | 24 |
|
| 2 | [conj] [is] [adv] often [vb pp] | 22 |
|
| 3 | [conj] [is] so often [vb pp] | 10 |
|
| 4 | [conj] [is] so often [vb pp] | 10 |
|
| 5 | that [is] [adv] often [vb pp] | 9 |
|
| 6 | [that] [is] [adv] often [vb pp] | 9 |
|
| 7 | that [is] [adv] often [vb pp] | 9 |
|
| 8 | [coord] [is] [adv] often [vb pp] | 8 |
|
| 9 | [subord] [is] [adv] often [vb pp] | 7 |
|
| 10 | and [is] [adv] often [vb pp] | 6 |
|
| 11 | and [is] [adv] often [vb pp] | 6 |
|
| 12 | as [is] [adv] often [vb pp] | 5 |
|
| 13 | as [is] [adv] often [vb pp] | 5 |
|
