They were to form the core of a 4-3 defense.

Perhaps the two of us could form the core for a larger group.

Individual issues develop in three parts which form the core of the course.

A dozen 4-stars and about 30 3-stars form the core.

Two shows that are expected to be up for several years form the core of its display.

These students would later form the core of the Saudi civil service.

Together, they form the core of the city's theater district.

Those products form the core of the present American trade offensive.

All three men composed, and would form the core of the project.

Plants and animals form the core of what comes to mind when we think about "environment."