も〜ば〜も (mo ba mo)

Related patterns4

both X and Y — one subject doing two things at once

この町まちには古ふるい寺てらもあれば、新あたらしい美術館びじゅつかんもある。
kono machi ni wa furui tera mo areba, atarashii bijutsukan mo aru.
This town has old temples, and it has a new art museum as well. neutral
あの店みせ、値段ねだんも安やすければ味あじもいいんだよ。
ano mise, nedan mo yasukereba aji mo ii n da yo.
That place is cheap, and the food's good too. casual
あの先生せんせいは説明せつめいも丁寧ていねいなら、質問しつもんにもすぐ答こたえてくれる。
ano sensei wa setsumei mo teinei nara, shitsumon ni mo sugu kotaete kureru.
That teacher explains things carefully and answers questions on the spot too. neutral
この計画けいかくには、費用ひようの問題もんだいもあれば、住民じゅうみんの理解りかいという課題かだいもございます。
kono keikaku ni wa, hiyou no mondai mo areba, juumin no rikai to iu kadai mo gozaimasu.
This plan has a cost problem, and it also has the challenge of winning residents over. formal

some are X, others are Y — spread over a group

世よの中なかには、猫ねこが好すきな人ひともいれば、苦手にがてな人ひともいるからね。
yo no naka ni wa, neko ga suki na hito mo ireba, nigate na hito mo iru kara ne.
In this world there are people who love cats and people who can't stand them, you know. casual
留学生りゅうがくせいの中なかには、日本語にほんごがとても上手じょうずな人ひともいれば、まだ挨拶あいさつしかできない人ひともいます。
ryuugakusei no naka ni wa, nihongo ga totemo jouzu na hito mo ireba, mada aisatsu shika dekinai hito mo imasu.
Among the international students, some speak Japanese very well and others can still only manage a greeting. neutral

も〜なら〜もmo~nara~moalternant
What nouns and な-adjectives use in the first half — 値段ねだんも手頃てごろなら味あじもいい. であれば is the fuller, written form.

This ば never means "if." Only the last part carries tense, verb or adjective
(時間じかんもかかれば費用ひようもかかった).