| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] often [vb pp] in | 31 |
|
| 2 | is [adv] often [vb pp] by | 24 |
|
| 3 | is so often [vb pp] [prep] | 21 |
|
| 4 | is most often [vb pp] [prep] | 20 |
|
| 5 | is more often [vb pp] [prep] | 17 |
|
| 6 | is [adv] often [vb pp] to | 16 |
|
| 7 | is [adv] often [vb pp] as | 15 |
|
| 8 | is too often [vb pp] [prep] | 14 |
|
| 9 | is very often [vb pp] [prep] | 11 |
|
| 10 | is [adv] often used [prep] | 11 |
|
| 11 | is [adv] often [vb pp] with | 9 |
|
| 12 | is [adv] often referred [prep] | 8 |
|
| 13 | is also often [vb pp] [prep] | 6 |
|
| 14 | is still often [vb pp] [prep] | 6 |
|
| 15 | is [adv] often seen [prep] | 6 |
|
| 16 | is quite often [vb pp] [prep] | 5 |
|
