Complex object with the participle (i or ii). переведите: 1. она чувствовала, как дрожат её руки. 2. он почувствовал, как его схватили за ворот.

She felt her hands trembling. (Participle I)
He felt somebody seizing him by the collar. (Participle I) ИЛИ 
He felt his collar seized by. (Participle II)

She felt her hands trembling. 
He felt somebody seizing him by the collar. или  He felt somebody grabbing him by the collar.