You, he and she today
Use singular prefixes and the feminine -īna ending.
Read the subject cue
أَنْتَ and هِيَ share a verb form: تَكْتُبُ can mean you write (one male) or she writes. The pronoun or context resolves it. هُوَ starts with يَ. أَنْتِ uses تَ plus ـِينَ.
أَنْتَ تَكْتُبُ / هِيَ تَكْتُبُ
To write
you (one male): أَنْتَ تَكْتُبُ; you (one female): أَنْتِ تَكْتُبِينَ; he: هُوَ يَكْتُبُ; she: هِيَ تَكْتُبُ.
يَكْتُبُ
yaktubu — he writes
To study
you (one male): أَنْتَ تَدْرُسُ; you (one female): أَنْتِ تَدْرُسِينَ; he: هُوَ يَدْرُسُ; she: هِيَ تَدْرُسُ.
يَدْرُسُ
yadrusu — he studies
To open
you (one male): أَنْتَ تَفْتَحُ; you (one female): أَنْتِ تَفْتَحِينَ; he: هُوَ يَفْتَحُ; she: هِيَ تَفْتَحُ.
يَفْتَحُ
yaftaḥu — he opens
To enter
you (one male): أَنْتَ تَدْخُلُ; you (one female): أَنْتِ تَدْخُلِينَ; he: هُوَ يَدْخُلُ; she: هِيَ تَدْخُلُ.
يَدْخُلُ
yadkhulu — he enters
To go
you (one male): أَنْتَ تَذْهَبُ; you (one female): أَنْتِ تَذْهَبِينَ; he: هُوَ يَذْهَبُ; she: هِيَ تَذْهَبُ.
يَذْهَبُ
yadhhabu — he goes