| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pers pn] is often [adj] [verb] | 47 |
|
| 2 | [conj] it is often [adj] [verb] | 46 |
|
| 3 | [conj] [pron] is often [adj] [to-vb] | 46 |
|
| 4 | [conj] it is often [adj] [verb] | 46 |
|
| 5 | [conj] [pron] is often difficult [verb] | 22 |
|
| 6 | [coord] [pron] is often [adj] [verb] | 21 |
|
| 7 | that [pron] is often [adj] [verb] | 17 |
|
| 8 | that [pron] is often [adj] [verb] | 17 |
|
| 9 | [that] [pron] is often [adj] [verb] | 17 |
|
| 10 | and [pron] is often [adj] [verb] | 16 |
|
| 11 | and [pron] is often [adj] [verb] | 16 |
|
| 12 | [subord] [pron] is often [adj] [verb] | 9 |
|
| 13 | [conj] [pron] is often necessary [verb] | 6 |
|
| 14 | [conj] [pron] is often possible [verb] | 5 |
|
| 15 | but [pron] is often [adj] [verb] | 5 |
|
| 16 | but [pron] is often [adj] [verb] | 5 |
|
