Я увидела, как она подошла к лифту,

Я увидела, как она подошла к лифту, нажала кнопку и лифт приехал

Results (English) 1:

I saw as she walked toward the elevator, pushed the button and the elevator has arrived

Results (English) 2:

I watched as she walked to the elevator, pressed the button and the elevator arrived

Results (English) 3:

I saw, as it came to the lift, squeezed the button and lift come