| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] if [art] [noun sg] | 83 |
|
| 2 | is [vb pp] if [art] [noun sg] | 78 |
|
| 3 | is needed [conj] [art] [noun sg] | 24 |
|
| 4 | be needed if [art] [noun sg] | 19 |
|
| 5 | [be] needed if [art] [noun sg] | 19 |
|
| 6 | is needed if [art] [noun] | 8 |
|
| 7 | is need if [art] [noun sg] | 6 |
|
| 8 | [is] needed if [art] [noun sg] | 6 |
|
