SN4 ""

No	Pattern	Freq
1	[verb] build up a	215
2	[noun] build up a	142
3	have build up a	116
4	[noun sg] build up a	75
5	[pron] build up a	74
6	[prep] build up a	66
7	[pers pn] build up a	66
8	[prep] build up a	66
9	[adv] build up a	58
10	[adv] build up a	55
11	[vb -s] build up a	52
12	[vb base] build up a	49
13	[vb past] build up a	47
14	[noun pl] build up a	44
15	[be] build up a	42
16	be build up a	42
17	[conj] build up a	41
18	[vb mod] build up a	40
19	[modal v] build up a	40
20	has build up a	39
21	[coord] build up a	33
22	and build up a	29
23	and build up a	29
24	had build up a	28
25	try build up a	27
26	[v-ing] build up a	26
27	can build up a	26
28	can build up a	26
29	have build up a	25
30	[noun prp] build up a	23