By the end of this month, I................ (practise) rigorously for four months. change into simple future, future perfect, future continous

By the end of this month, I................ (practise) rigorously for

1.	By the end of this month, I................ (practise) rigorously for four months. change into simple future, future perfect, future continous
Answer» TION:PRACTISED is RIGHT ANSWER