SN4 ""

No	Pattern	Freq
1	an [noun sg] that [vb mod] [vb infin]	173
2	an [noun] that would [vb infin]	63
3	an [noun] that will [vb infin]	39
4	an [noun] that could [vb infin]	26
5	an [noun] that [vb mod] have	21
6	an [noun] that can [vb infin]	15
7	an [noun] that might [vb infin]	13
8	an [noun] that may [vb infin]	12
9	an [noun] that [vb mod] take	9
10	an idea that [vb mod] [vb infin]	7
11	an approach that [vb mod] [vb infin]	7
12	an approach that [vb mod] [vb infin]	7
13	an idea that [vb mod] [vb infin]	7
14	an operation that [vb mod] [vb infin]	6
15	an [noun] that [vb mod] provide	6
16	an operation that [vb mod] [vb infin]	6
17	an issue that [vb mod] [vb infin]	5
18	an agreement that [vb mod] [vb infin]	5
19	an agreement that [vb mod] [vb infin]	5
20	an [noun] that [vb mod] run	5
21	an issue that [vb mod] [vb infin]	5
22	an application that [vb mod] [vb infin]	5
23	an application that [vb mod] [vb infin]	5