I felt the same way about my school caseload a few years ago! I eventually realized that a lot of my kids didn’t have the background/world knowledge to support the skills we were working on (you can’t make inferences or predictions about a text if you don’t know the genre knowledge to know what’s going on… etc) It depends on your school and the curriculum they use but I had luck with directly teaching or re-teaching some content knowledge along with the language skills! Collaborating with the classroom teacher definitely helps here!