yes, Future tense for first person
No, shall is the future tense.
Yes it's future tense.
It is future tense.
The phrase shall have is a future tense; it is a prediction about what you are going to have in the future. Possibly the very near future ("I shall have a coffee and a donut").
The future tense of "should" is "shall." For example, "I should study" would become "I shall study."
It is future tense.
"Shall" is typically used to indicate future tense in English.
The future tense of "speak" is "will speak" or "shall speak."
The future tense of "leave" is "will leave" or "shall leave." For example, "I will leave tomorrow." or "She shall leave at 7 p.m."
The future tense is will laugh.
The future tense of the verb "to have" is "will have" or "shall have"
Will (or shall) seem.