SN4 ""

No	Pattern	Freq
1	have have an	638
2	[verb] had an	565
3	[verb] to have an	468
4	[vb base] have an	295
5	[vb -s] have an	259
6	[vb past] have an	252
7	[vb infin] have an	169
8	has have an	146
9	[vb pp] have an	143
10	[verb] have an	114
11	have have an	113
12	do have an	112
13	had have an	107
14	have have an	105
15	[v-ing] have an	62
16	've have an	61
17	seem have an	54
18	did have an	39
19	do have an	38
20	's have an	37
21	does have an	34
22	go have an	33
23	'd have an	33
24	going have an	31
25	[to-vb] have an	29
26	need have an	28
27	appear have an	23
28	seem have an	21
29	to have have an	20
30	[verb] having an	20