@habesha98 Whether colleges will take your freshman grades into consideration depends on the college so look at the policies of the schools you intend to apply to. Regarding the grades issue: those Bs won’t look good to the unis you plan to apply to since most applicants will apply with straight A/A* but there isn’t anything you can do about it now. So focus on acing your final IGCSE exams - they’ll be of more importance than internal grades and do aim for mostly As as applicants that did I/GCSE will apply with all/mostly As. It isn’t all too hard - I did my IGCSE (CIE) exams last year so if you need/want advice or help, PM me.
People from my school that applied to the ivies and other top 20 colleges generally had predicted scores between 38-42. Most of the top uni’s admission officers that I talked to during university fairs also said that look for IB grades in the 38-42/42 range (semester and predicted grades) but if your grades are slightly below that you still have a chance since they’ll review your application holistically.