| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [adj] [verb] [adv prt] | 475 |
|
| 2 | [is] [adv] [adj] [verb] [adv prt] | 408 |
|
| 3 | [is] [adv] necessary [verb] [adv] | 64 |
|
| 4 | [be] [adv] necessary [verb] [adv prt] | 34 |
|
| 5 | [is] [adv] necessary [verb] [adv prt] | 27 |
|
