I don't spring you don't spring he doesn't spring we don't spring you don't spring they don't spring
Present continuous
I'm not springing you aren't springing he isn't springing we aren't springing you aren't springing they aren't springing
Preterite
I didn't spring you didn't spring he didn't spring we didn't spring you didn't spring they didn't spring
Preterite continuous
I wasn't springing you weren't springing he wasn't springing we weren't springing you weren't springing they weren't springing
Present perfect
I haven't sprung you haven't sprung he hasn't sprung we haven't sprung you haven't sprung they haven't sprung
Present perfect continuous
I haven't been springing you haven't been springing he hasn't been springing we haven't been springing you haven't been springing they haven't been springing
Pluperfect
I hadn't sprung you hadn't sprung he hadn't sprung we hadn't sprung you hadn't sprung they hadn't sprung
Pluperfect continuous
I hadn't been springing you hadn't been springing he hadn't been springing we hadn't been springing you hadn't been springing they hadn't been springing
Future
I won't spring you won't spring he won't spring we won't spring you won't spring they won't spring
Future continuous
I won't be springing you won't be springing he won't be springing we won't be springing you won't be springing they won't be springing
Future perfect
I won't have sprung you won't have sprung he won't have sprung we won't have sprung you won't have sprung they won't have sprung
Future perfect continuous
I won't have been springing you won't have been springing he won't have been springing we won't have been springing you won't have been springing they won't have been springing
Conditional
Present
I wouldn't spring you wouldn't spring he wouldn't spring we wouldn't spring you wouldn't spring they wouldn't spring
Present continuous
I wouldn't be springing you wouldn't be springing he wouldn't be springing we wouldn't be springing you wouldn't be springing they wouldn't be springing
Past
I wouldn't have sprung you wouldn't have sprung he wouldn't have sprung we wouldn't have sprung you wouldn't have sprung they wouldn't have sprung
Past continuous
I wouldn't have been springing you wouldn't have been springing he wouldn't have been springing we wouldn't have been springing you wouldn't have been springing they wouldn't have been springing