I know both of the underlined are objects.
Are they both correct? They are but the meanings differ.
1. eg. Whenever I'm really nervous, I try to sing. ...but sometimes I just can't sing
2. eg. Whenever I'm really nervous, I try singing. ...but sometimes singing doesn't make me feel better
Are there verbs only followed by gerund or to-infinitive? yes, in some circumstances
For example, the verb 'decide' sometimes takes only the infinitive.
Sometimes I decide to go very early.
Sometimes I decide going very early.
Your guidance is highly appreciated.
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