たら condition + sentence in present tense (Refer to grammar dictioanry "Tara" pp.452 – 457 for more sample sentences.)

 

たら connects two clauses to mean “if …; when (and after) ….” It should be followed by a sentence in present tense (not past tense. If a sentence in past tense is followed, other meanings will occur.)
 

Plain Past form of verb (た forms) +  ら、+ another sentence.

 

私は本土に行ったら、大阪に知り合いがいるので、大阪や神戸や奈良を訪問したいです。　 When I go to the main island, since I have an acquaintance in Osaka, I want to visit places such as Osaka, Kobe, Nara, etc.

 

明日じゃなかったら、会えません。If it is not tomorrow (or unless it is tomorrow), I can not meet (him).

日本で安い着物があったら、着物を買うつもりです。If there is (if I find) an inexpensive kimono in Japan, I intend to buy kimono.

今夜のパーティーでビールを飲まなかったら、車を運転します。If I do not drink beer at the party, I will drive a car.

この大学にに日本人がいたら、私はその人とデートしたいです。If there is a Japanese at this college, I want to date with the person.

夜までに宿題がおわらなかったら、今夜の映画には行きません。If I do not finish homework by night, I will not go to the movie tonight.

日本語をれんしゅうしなかったら、日本語は上手に話しません。 If I do not practice Japanese, I will not speak it well.

 

 

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