he
|
is
|
less likely [ than Ivy
]
|
[[ to have spoken ]]
|
Sub-
|
Finite
|
Complement
|
-ject
|
Mo-
|
Residue
|
-od
|
cf he having spoken is less likely than Ivy (having done so).
he
|
is
|
less likely than Ivy
|
to
|
have
|
spoken
|
Subject
|
Operator/Auxiliary
|
Auxiliary Extension
|
Infinitive
|
Auxiliary
|
Main Verb
|
That is, Fawcett analyses 'spoken' as the Main Verb of this attributive clause, and 'is' and 'have' as two of its Auxiliaries.