Raising (linguistics) - Alternation With IT-extraposition

Alternation With it-extraposition

Raising predicates/verbs can be identified in part by the fact that they alternatively take a full clause dependent and can take part in it-extraposition, e.g.

a. Tom seems to have won the race.
b. It seems that Tom won the race.
a. Larry appears to be doing the work.
b. It appears that Larry is doing the work.
a. Sam believed someone to know the answer.
b. Sam believed it that someone knew the answer.
c. Sam believed that someone knew the answer.
a. That proves Susan to be a jackass.
b. That proves it that Susan is a jackass.
c. That proves that Susan is a jackass.

Raising predicates/verbs can appear with it-extraposition and/or a full clausal dependent. They appear to be subcategorizing for a propositional argument.

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