| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [noun] [noun sg] systems | 169 |
|
| 2 | and [noun sg] [noun sg] systems | 119 |
|
| 3 | and [noun prp] [noun sg] systems | 37 |
|
| 4 | and [noun] management systems | 18 |
|
| 5 | and [noun] operating systems | 13 |
|
| 6 | and [noun] information systems | 10 |
|
| 7 | and [noun] computer systems | 9 |
|
| 8 | and [n mass] [noun sg] systems | 8 |
|
| 9 | and air [noun sg] systems | 7 |
|
| 10 | and air [noun sg] systems | 7 |
|
| 11 | and network [noun sg] systems | 6 |
|
| 12 | and network [noun sg] systems | 6 |
|
| 13 | and mips [noun sg] systems | 6 |
|
| 14 | and mips [noun sg] systems | 6 |
|
| 15 | and [noun] control systems | 5 |
|
| 16 | and [noun] conditioning systems | 5 |
|
