| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] be used for [adj] purpose | 19 |
|
| 2 | [noun] [be] used for [det] purpose | 18 |
|
| 3 | [noun] [be] used for this purpose | 15 |
|
| 4 | [noun] [be] used for this purpose | 15 |
|
| 5 | [noun sg] [be] used for [adj] purpose | 9 |
|
| 6 | [noun] [was/were] used for [adj] purpose | 9 |
|
| 7 | [noun pl] [be] used for [adj] purpose | 8 |
|
| 8 | [noun] is used for [adj] purpose | 5 |
|
| 9 | [noun] was used for [adj] purpose | 5 |
|
| 10 | [noun] [am/are] used for [adj] purpose | 5 |
|
| 11 | [noun] [is] used for [adj] purpose | 5 |
|
