ADJ. considerable, extensive, major | minor, slight | further | important, necessary, significant
VERB + MODIFICATION involve, need, require The design requires considerable modification. | propose, suggest | carry out, introduce, make | receive, undergo The original plan had undergone fairly extensive modifications.
PREP. with/without ~ These bikes are designed for racing and cannot be used on the road without modification. | ~ in a modification in smoking behaviour among older men | ~ to We need to make a few modifications to the proposals.