| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is a [adj] part | 181 |
|
| 2 | is a necessary [noun] | 124 |
|
| 3 | is a necessary [noun sg] | 124 |
|
| 4 | [be] a necessary part | 37 |
|
| 5 | be a necessary part | 37 |
|
| 6 | is [art] necessary part | 19 |
|
| 7 | is [art] necessary part | 19 |
|
| 8 | is a necessary part | 18 |
|
| 9 | is a necessary part | 18 |
|
| 10 | [is] a necessary part | 18 |
|
