Assimil trains you to stop translating in your head. By the Active Phase, the English prompt "I am going to Tokyo" should immediately trigger "Tōkyō ni ikimasu" without you conjugating "iku" (to go) manually.
The "secret sauce" of Assimil is its two-wave learning structure: Go to product viewer dialog for this item. Japanese With Ease Beginners Book japanese with ease assimil
: It typically consists of two volumes containing around 100 lessons. The Method Assimil trains you to stop translating in your head