SN4 ""

No	Pattern	Freq
1	be very useful for	43
2	[be] very useful for	43
3	[be] very useful for	15
4	be very useful for	15
5	[adv] very useful for	13
6	are very useful for	13
7	[am/are] very useful for	13
8	[is] very useful for	10
9	is very useful for	8
10	[adv] very useful for	7
11	not very useful for	5
12	not very useful for	5
13	[not/n't] very useful for	5
14	very useful [noun] for	18
15	very useful [noun sg] for	15
16	very useful for [v-ing]	20
17	very useful for [verb]	20
18	very useful for [adj]	18
19	very useful for [noun]	13
20	very useful for [pron]	12
21	very useful for [det]	9
22	very useful for [pers pn]	8
23	very useful for [adj]	8
24	very useful for [art]	6
25	very useful for [noun sg]	6
26	very useful for [art]	6
27	very useful for this	5
28	very useful for a	5
29	very useful for this	5
30	very useful for [noun pl]	5