| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be useful [subord] [art] [noun sg] | 8 |
|
| 2 | [noun sg] be useful [subord] [art] [noun sg] | 6 |
|
| 3 | [modal v] be useful [subord] [art] [noun sg] | 5 |
|
| 4 | [vb mod] be useful [subord] [art] [noun sg] | 5 |
|
| 5 | be [adv] useful [subord] [art] [noun sg] | 26 |
|
| 6 | be [adv] useful [subord] [art] [noun sg] | 26 |
|
| 7 | be particularly useful [subord] [art] [noun sg] | 9 |
|
| 8 | be particularly useful [subord] [art] [noun sg] | 9 |
|
| 9 | be very useful [subord] [art] [noun sg] | 5 |
|
| 10 | be very useful [subord] [art] [noun sg] | 5 |
|
| 11 | be useful [subord] [verb] [art] [noun sg] | 7 |
|
| 12 | be useful [subord] [v-ing] [art] [noun sg] | 7 |
|
| 13 | be useful [subord] [art] [noun sg] [vb -s] | 5 |
|
| 14 | be useful [subord] [art] [noun sg] [be] | 5 |
|
| 15 | be useful [subord] [art] [noun sg] be | 5 |
|
| 16 | be useful [subord] [art] [noun sg] [verb] | 5 |
|
