will + investigate -- We will investigate the allegations at our next meeting.
be+going to + investigate -- We are going to investigatethe allegations at our next meeting.
be + investigating -- We are investigating the allegations next month.
I will/shall investigate
It means, "Investigate/study the interrogative form of will [this could be a reference to the future tense] in English." In other words, "Study English questions in the future tense."
The present progressive tense of investigate is:I am investigating.You/We/They are investigating.He/She/It is investigating.
The present tense of investigating is:I/You/We/They investigate.He/She/It investigates.The present participle is investigating.
The past tense is investigated.
The past perfect progressive of investigate is had been investigating.
The present perfect progressive tense of "investigate" is "has been investigating."
Were is a past tense form of be. The future tense of be is will be.
Do NOT use 'get/got' in English grammar, particularly in the written form. They are 'catch-all verbs'. The English vocabulary has a verb for every active situation. YES!!! The word is said a lot in the spoken language. Here is an example I went to the shops to get some clothes . Ugh!!!!! I went to the shops to purchase/buy some clothes. Much better. The Americans use the word 'fix' in a similar way. A waitress may say, What can I fix you' Ugh!!!!! 'What can I bring for you .' Much better.
Am, is, and are are present tense forms of be. The past tense forms of be are was and were. The future tense of be is will be.
The future tense is will carry.
The future tense of "was" is "will be."