i studied vs i have studiedとは 意味・読み方・使い方

to investigate and study

have [show] a leaning toward study

the things used for studying

a comparative study

study to please

a topic of study that is studied in English

a subject that must be studied and mastered

the term of study―the course of study

a time‐and‐motion study

studied in a shiftless way

the act of having studied at the same school

make a feint of studying

a subject for study

study done in a school

a subject of study

a subject of study

So it is with language study.

He went abroad in prosecution of his studies.

the condition of devoting oneself to academic research

to apply oneself closely to the study

His attainments are something out of the common

His scholarship is above the common run

He is an eminent scholar.

an elective course of study

a thorough study

the art of composing and studying tanka poetry

He worked with unremitting efforts―with untiring zeal―with indefatigable attention―with dogged perseverance.

I would advise you in especial to cultivate the languages.

to give an impetus to the study of English

The pupil has outdone the master