SN4 ""

No	Pattern	Freq
1	[adv] useful for [adj] [noun]	41
2	[adv] useful for [adj] [noun]	41
3	[be] useful for [adj] [noun]	40
4	be useful for [adj] [noun]	40
5	[be] useful for [adj] [noun]	18
6	be useful for [adj] [noun]	18
7	particularly useful for [adj] [noun]	16
8	particularly useful for [adj] [noun]	16
9	is useful for [adj] [noun]	14
10	[is] useful for [adj] [noun]	14
11	very useful for [adj] [noun]	7
12	very useful for [adj] [noun]	7
13	also useful for [adj] [noun]	5
14	[am/are] useful for [adj] [noun]	5
15	also useful for [adj] [noun]	5
16	are useful for [adj] [noun]	5
17	useful [noun] for [adj] [noun]	27
18	useful [noun sg] for [adj] [noun]	23
19	useful for [v-ing] [adj] [noun]	27
20	useful for [verb] [adj] [noun]	27
21	useful for [art] [adj] [noun]	17
22	useful for [art] [adj] [noun]	17
23	useful for the [adj] [noun]	9
24	useful for [adj] [adj] [noun]	9
25	useful for the [adj] [noun]	9
26	useful for a [adj] [noun]	8
27	useful for a [adj] [noun]	6
28	useful for [det] [adj] [noun]	5
29	useful for [adj] [noun] [noun]	14
30	useful for [adj] [noun sg] [noun]	13