مقبل بالانجليزي

being the first one after the present one or after the one just mentioned

سَأَرْكَبُ الحَافِلَةَ المُقْبِلَةَ

I'll get on the next bus

يَتَحَدَّثُ الفَصْلُ المُقْبِلُ عَنِ الحُرُوْبِ الصَّلِيْبِيَّةِ

The next chapter talks about the Crusades

next Saturday, week, winter, year, decade, etc. the one immediately following

أَيَّارُ هُوَ الشَّهْرُ المُقْبِلُ

May is the next month

خُطَّةٌ خَمْسِيَّةٌ لِلْأَعْوَامِ الخَمْسِ المُقْبِلَةِ

A five-year plan is for the next five years

المُقْبِلُ هُوَ مَا سَيَحْصُلُ قَرِيْبًا أَوْ بَعْدَ فَتْرَةٍ زَمَنِيَّةٍ قَصِيْرَةً نِسْبِيًّا

going to happen soon