Its faster if you use/will use an electronic dictionary if you asl/will as the teacher,shell explain the meaning of the word you need to study for years if you want/wanted to become a good translator if machines couldd translate well,english teachers will lose/would lose theur jobs

It's( will be) faster if you use an electronic dictionary.
If you ask the teacher,she'll explain the meaning of the word.
You need to study for years if you want to become a good translator.
If machines could translate well,English teachers would lose their jobs.

Use
Ask
Want
Would lose