| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be often [adj] [prep] a | 31 |
|
| 2 | [be] often [adj] [prep] a | 31 |
|
| 3 | [be] often [adj] [prep] a | 27 |
|
| 4 | [am/are] often [adj] [prep] a | 13 |
|
| 5 | are often [adj] [prep] a | 13 |
|
| 6 | is often [adj] [prep] a | 13 |
|
| 7 | [is] often [adj] [prep] a | 13 |
|
| 8 | [be] often [adj] for a | 7 |
|
| 9 | [be] often [adj] for a | 7 |
|
| 10 | [be] often [adj] to a | 6 |
|
| 11 | [be] often [adj] to a | 6 |
|
| 12 | [was/were] often [adj] [prep] a | 5 |
|
