This question already has an answer here:
Which of the last three verb patterns apply to the verb 'recommend'?
I recommend that you wait. (present subjunctive, American usage)
I recommend that you should wait. (substitute for present subjunctive, British usage)
I recommend waiting. (subject of the gerund not mentioned)
I recommend you/your waiting (subject of the gerund mentioned)
I recommend to wait. (subject of the infinitive not mentioned)
I recommend you to wait. (subject of the infinitive mentioned)