ما إعراب أصبحت الشجيرات أشجارا مثمرة

The sentence “The shrubs became fruitful trees” is analyzed as follows: “became” is a past tense verb, “shrub” is a noun in the nominative case with a visible dammah at the end, “fruity trees” is a predicate noun in the accusative case with a visible fatha at the end.