sleep-slepeng-slept
---SIMPLE---
She sleeps
She slept
She will sleep
---CONTINUOUS---
She is sleeping
She was sleeping
She will be sleeping
---PERFECT---
She has slept
She had slept
She will have spelt
---PERFECT CONTINUOUS---
She has been sleeping
She had been sleeping
She will have been sleeping
sleep-slepeng-slept
---SIMPLE---
She sleeps
She slept
She will sleep
---CONTINUOUS---
She is sleeping
She was sleeping
She will be sleeping
---PERFECT---
She has slept
She had slept
She will have spelt
---PERFECT CONTINUOUS---
She has been sleeping
She had been sleeping
She will have been sleeping