An active verb needs a subject, though its subject may be pronominal. A direct object, however, may be omitted when the context supplies it.
For pattern 2, the first verb’s missing object is recoverable from «زَيْدًا». For pattern 1, the ungoverned verb must still have a grammatical subject.
Opening interactive controls...
Tanāzuʿ al-Fiʿlayn — When Two Verbs Compete for One Noun
An active verb needs a subject, though its subject may be pronominal. A direct object, however, may be omitted when the context supplies it.
For pattern 2, the first verb’s missing object is recoverable from «زَيْدًا». For pattern 1, the ungoverned verb must still have a grammatical subject.