SN4 ""

No	Pattern	Freq
1	[verb] [adv] need to be	312
2	do [adv] need to be	287
3	[noun] [adv] need to be	186
4	[pron] [adv] need to be	166
5	[vb base] [adv] need to be	152
6	do [adv] need to be	140
7	[vb mod] [adv] need to be	133
8	[modal v] [adv] need to be	133
9	[pers pn] [adv] need to be	121
10	[noun sg] [adv] need to be	101
11	[vb -s] [adv] need to be	97
12	does [adv] need to be	94
13	[noun pl] [adv] need to be	73
14	[adv] [adv] need to be	73
15	will [adv] need to be	71
16	will [adv] need to be	61
17	[vb past] [adv] need to be	54
18	did [adv] need to be	52
19	[conj] [adv] need to be	51
20	[adv] [adv] need to be	45
21	it [adv] need to be	38
22	it [adv] need to be	38
23	[coord] [adv] need to be	35
24	would [adv] need to be	35
25	would [adv] need to be	35
26	and [adv] need to be	31
27	and [adv] need to be	31
28	they [adv] need to be	28
29	they [adv] need to be	28
30	[not/n't] [adv] need to be	27