SN4 ""

No	Pattern	Freq
1	[verb] build up a	249
2	[noun] build up a	162
3	have build up a	139
4	[noun sg] build up a	84
5	[pron] build up a	80
6	[pers pn] build up a	72
7	[prep] build up a	71
8	[prep] build up a	71
9	[vb -s] build up a	64
10	[adv] build up a	63
11	[adv] build up a	59
12	[vb past] build up a	58
13	[vb base] build up a	55
14	[noun pl] build up a	53
15	has build up a	50
16	be build up a	49
17	[be] build up a	49
18	[conj] build up a	46
19	[modal v] build up a	43
20	[vb mod] build up a	43
21	[coord] build up a	37
22	and build up a	33
23	had build up a	33
24	and build up a	33
25	[v-ing] build up a	29
26	try build up a	29
27	have build up a	28
28	can build up a	27
29	can build up a	27
30	[noun prp] build up a	25