Sentence pattern have not + verb-ed:【verb た form + ことがありません】 On this page, you can learn Japanese grammar for telling something you have not done before. 2018.03.04 Sentence pattern
Sentence pattern have not been to:【に行ったことがありません】 On this page, you can learn Japanese grammar for 'have not been to'. 2017.04.30 Sentence pattern
Sentence pattern 【Japanese grammar: verb た form + ことがあります (kotoga arimasu) = have + verb-ed】Let’s learn how to talk about experiences in Japanese. On this page, you can learn Japanese grammar for expressing your experience. 2017.03.16 Sentence pattern
Sentence pattern 【Japanese grammar】に行ったことがあります (ni ittakotoga arimasu) = have been to On this page, you can learn how to say 'have been to somewhere' or 'have not been to somewhere' in Japanese. 2016.11.14 Sentence pattern