Attempting to research when the subject being inferred is okay. Only example I've been able to find is imperative sentences. Are there any other cases that it is okay to infer the subject?
Subjects are inferred in practically every untensed subordinate clause (i.e, gerunds and infinitives).
In the following sentences, what is the subject of the infinitive to take out? How can you tell?
- Bill told me to take out the garbage.
- Bill promised me to take out the garbage.
- I was told by Bill to take out the garbage.
- I don't want to take out the garbage.
- The garbage to take out is in the kitchen.
- It's not hard to take out the garbage.
- That's what it takes to take out the garbage.
One could do the same for gerunds. Tensed clauses are not so easy to ransack, however.