SN4 ""

No	Pattern	Freq
1	[be] useful for [verb]	99
2	be useful for [verb]	99
3	[adv] useful for [verb]	93
4	[adv] useful for [verb]	90
5	[is] useful for [verb]	40
6	is useful for [verb]	39
7	[am/are] useful for [verb]	29
8	are useful for [verb]	28
9	[be] useful for [verb]	23
10	be useful for [verb]	23
11	particularly useful for [verb]	22
12	particularly useful for [verb]	22
13	[noun] useful for [verb]	21
14	very useful for [verb]	20
15	very useful for [verb]	20
16	also useful for [verb]	19
17	also useful for [verb]	19
18	[noun sg] useful for [verb]	16
19	information useful for [verb]	12
20	information useful for [verb]	12
21	more useful for [verb]	8
22	more useful for [verb]	8
23	especially useful for [verb]	6
24	especially useful for [verb]	6
25	[verb] useful for [verb]	5
26	[conj] useful for [verb]	5
27	useful [noun] for [verb]	59
28	useful [noun sg] for [verb]	49
29	useful [noun pl] for [verb]	10
30	useful tool for [verb]	7