Common mistakes by native language
Japanese speakers
Mistake: Pronouncing "can't" with a fully released final [t] and "you" as a separate, distinct glide [ju], producing three clear beats: "cant — you — see" instead of a fused two-beat phrase.
Why: Japanese consonant-final syllables are uncommon, so learners tend to add a small release after final stops, and there is no equivalent process in Japanese where [t] and a following [j] merge into a single affricate.
Fix: Merge "can't" and "you" into a single fused syllable: [ˈkæntʃu]. The full phrase becomes [ˈkæntʃuˈsi] in General American. Practice the casual spoken form "can'tcha see" to feel the natural fusion.
Korean speakers
Mistake: Realizing the final [t] of "can't" as an unreleased glottal stop before starting "you" as a fully separate syllable, rather than letting the two sounds fuse into [tʃ].
Why: Korean syllable-final stops are typically produced without release or with a glottal closure, which blocks the forward fusion that English performs between a t-final word and a following [j]-initial word.
Fix: Replace the glottal stop with a direct merger into [tʃ]: practice "can't you" as one syllable, [kæntʃu], then attach "see": [ˈkæntʃuˈsi].
Chinese speakers
Mistake: Pronouncing "you" with its full glide onset [ju] right after a clearly separate [t] in "can't", so the two words remain phonetically distinct rather than merging.
Why: Mandarin has affricate consonants but they don't arise from a stop-plus-glide sequence spanning a word boundary, so English's specific /t/+/j/→/tʃ/ pattern doesn't transfer automatically from Chinese phonology.
Fix: Drill "can't you" as a single fused unit, [kæntʃu], before adding "see" for the full exclamation: [ˈkæntʃuˈsi]. Note the RP vowel difference too: RP uses [ɑː] in "can't", giving [ˈkɑːntʃuˈsiː].
Notes
"Can't you see" is an exclamatory phrase used to express frustration or disbelief that someone hasn't noticed something obvious, and its natural pronunciation, [ˈkæntʃuˈsi] in General American ([ˈkɑːntʃuˈsiː] in RP, reflecting the trap-bath vowel split), hinges on a single but very noticeable assimilation. The final [t] of "can't" merges with the glide [j] of "you" to form a fused [tʃ] sound, so "can't you" is pronounced as one syllable, [kæntʃu], rather than two separate words. Learners who pronounce "can't" and "you" distinctly will sound stilted in a phrase whose entire emotional force depends on sounding natural and immediate. Because this exact [t]+[j]→[tʃ] fusion pattern recurs across many other common A2-level phrases — "don't you", "won't you", "aren't you" — mastering it here through this emotionally expressive exclamation builds a habit that transfers directly to a whole family of frequently used spoken questions and exclamations.