| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are sometimes [verb] | 413 |
|
| 2 | are sometimes [vb pp] | 404 |
|
| 3 | are [adv] seen | 290 |
|
| 4 | are [adv] seen | 226 |
|
| 5 | [be] sometimes seen | 26 |
|
| 6 | be sometimes seen | 26 |
|
| 7 | are sometimes seen | 6 |
|
| 8 | are sometimes see | 6 |
|
| 9 | [am/are] sometimes seen | 6 |
|
