1. He likes reading novels and listening to music.

2. He likes reading novels and to listen to music.

(Is #2 un grammatical?)

3. He proposed to go to the movies.
4. He proposed going to the movies.
5. He suggested to go to the movies.
6. He suggested going to the movies.
(Which ones are ungrammatical among #3 and #6?)

2 answers

Yes, 2 is incorrect. #1 has parallel construction (reading, listening), but #2 doesn't (reading, to listen).

I'd use 4 and 6. I wouldn't use 3 or 5.
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