The word “also” means “too” or “in addition.” Normally, the word “also” goes before a simple past or present tense verb, but goes after the verb “to be” and any auxiliary or modal verbs.
The well may have produced 258 b/d of heavy oil, but it also produced a lot of sand. (before simple past tense)
This downhole tool not only measures temperature, but it also measures pressure.
(before simple present tense)
She may be a lawyer, but she is also a registered petroleum engineer.
(after verb “to be”)
If we exceed our production target by 20%, each of you will also receive a new car.
(after an auxiliary verb)
The manager plans to attend the meeting, but the vice president might also attend.
(after a modal verb)
If the word “also” refers to an entire sentence, then it goes at the beginning of the sentence with a comma after it.
Turn in your expense account. Also, your timesheet needs to be filled out.