ADJ

early, gradual, recent, widespread

PREP

~ into
the gradual introduction of modern farming methods into traditional societies

ADJ

brief, short
He began with a brief introduction

PREP

in an/the ~
His mother is mentioned in the introduction
~ to
the introduction to her latest book

ADJ

excellent, general, useful
It serves as an excellent introduction to 19th-century painting

PREP

~ to

ADJ

formal

VERB + INTRODUCTION

make
I can never remember names, so I don't like to make the introductions

PHRASES

a letter of introduction
He gave me a letter of introduction to the manager