وَلَسَوْفَ يُعْطِيكَ رَبُّكَ فَتَرْضَىٰٓ
Sentence structure
وَ coordinates, لَ emphasizes and سَوْفَ marks future. رَبُّكَ is subject of يُعْطِيكَ and كَ its object; فَتَرْضَىٰٓ states the result.
Ayah summary
Your Lord will soon grant you so much that you will be pleased.
وَلَسَوْفَ — And surely soon
Grammar: وَ coordinates, لَ emphasizes and سَوْفَ marks future.
يُعْطِيكَ — will give you
Grammar: A Form IV imperfect; attached كَ is its object.
رَبُّكَ — your Lord
Grammar: A nominative subject; attached كَ is possessor.
فَتَرْضَىٰٓ — then you will be pleased
Grammar: فَ marks result; the imperfect has understood subject أَنْتَ.