To write
Will, would, shall, should, can, could, may, might, must are the Modal verbs.
The words you write will depend on the subject you are writing about. However to convey a formal tone you should avoid phrasal verbs.Phrasal verbs are words like pick up or put out or turn off. Instead of saying pick up you should use collect, instead of using put out you should say extinguish etc.Using single verbs instead of phrasal verbs will make your letter/email more formal
No, kind is an adjective. Verbs are things you can "do". I can run. I can jump. run and jump are verbs. Adjectives are things you can "be". I can be kind. I can be mean. kind and mean are adjectives.
The verb phrasal should not be used in formal business writing.
yes it is, you should use the writing process with any kind of essay writing
should have been together form a verb phrase but should and have in this example are helping verbs that help the linking verb been, or should have been together can be all helping verbs like when you use it like this: He should have been running this morning but he couldn't get out of bed early enough.
The word 'kind' is an adjective. Only verbs have tenses.
don't know what kind. Possible the good kind that doesn't make your blood pressure go up and you can figure out what is the big deal with writing a lot.
It depends what the verb is. there are linking verbs, helping verbs. So yeah kind of though.
fixed-form helping verbs
Be, Have, Do
it follows verbs such as am is were was and are