SN4 ""

No	Pattern	Freq
1	[verb] to have been [verb] for	67
2	[verb] to have be [vb pp] for	58
3	[vb pp] to have be [verb] for	26
4	seem to have be [verb] for	21
5	appear to have be [verb] for	13
6	[vb -s] to have be [verb] for	12
7	[vb base] to have be [verb] for	12
8	seem to have be [verb] for	10
9	[vb past] to have be [verb] for	10
10	[verb] to have be [v-ing] for	9
11	[verb] to have be used for	9
12	[verb] to have be use for	9
13	[vb infin] to have be [verb] for	7
14	say to have be [verb] for	6
15	seems to have be [verb] for	6
16	[verb] to have be designed for	5
17	think to have be [verb] for	5
18	said to have be [verb] for	5
19	[verb] to have be design for	5
20	appears to have be [verb] for	5
21	thought to have be [verb] for	5