ich dachte, du wärest

I thought you were

→ ich
phrase Rare #45,493
I thought you were Introduces an assumption or belief that the speaker previously held. “Wärest” is the subjunctive form of “sein” and is more formal or old-fashioned; “ich dachte, du wärst” is more common in everyday German.
GE: Ich dachte, du wärest schon zu Hause.
EN: I thought you were already home.

Ich dachte, du wärest inzwischen in Boston.

I thought you would have been in Boston by now.

Ich dachte, du wärest älter als ich.

I thought you were older than me.

Ich dachte, du wärest damit beschäftigt, Tom zu helfen.

I thought you were busy helping Tom.

Ich dachte, du wärest zu beschäftigt, um dich mit mir zu treffen.

I thought you were too busy to meet up with me.