Adjectives followed by an infinitive A - answers and notes
Nos 3 intelligent, 7 lazy, 13 fine and 15 unusual could not replace the adjective willing.
Some of the many adjectives that can be followed by an infinitive are:
1 glad
2 shocked
3 ready
4 (un)happy
5 afraid
6 likely
7 willing
8 anxious
9 certain
10 ready
11 (un)lucky
12 surprised
13 sorry
14 right
15 keen
16 sorry
17 determined
18 prepared
19 astonished
20 sad
21 relieved
22 disappointed
23 amazed