● Practice forming the dual from the singular and learn the meanings:
Singular
Meaning
Dual
Meaning
بِنْتٌ
one girl
بِنْتَانِ
two girls
كَافِرٌ
one disbeliever
كَافِرَانِ
two disbelievers
مُنَافِقٌ
one hypocrite
مُنَافِقَانِ
two hypocrites
أُسْتَاذَةٌ
one female teacher
أُسْتَاذَتَانِ
two female teachers — here the round tāʾ changes to a long tāʾ
طَالِبَةٌ
one female student
طَالِبَتَانِ
two female students
مَكْتَبٌ
one desk/office
مَكْتَبَانِ
two desks/offices
نَافِذَةٌ
one window
نَافِذَتَانِ
two windows
أُذُنٌ
one ear
أُذُنَانِ
two ears
رَجُلٌ
one man
رَجُلَانِ
two men
مَدْرَسَةٌ
one school
مَدْرَسَتَانِ
two schools