There is no future progressive tense in that sentence. Future progressive is formed with:will + be + present participle.The sentence should be:After we visit Alaska we will be visiting the Canadian territories.
The verb tour in future progressive = will be touring. After we visit Alaska we will be touring the Canadian territories.
Progressive tense indicates an action that is ongoing. Future progressive indicates an action that will be ongoing in the future. It is created by "will be" + ing form of verb. Here are examples of sentences in future progressive:She will be singing in the church choir's Christmas concert.I will be driving to Alaska tomorrow.
The future progressive tense of attend is will be attending.
The future progressive tense of "throws" is will be throwing.
The future progressive of receive is will be receiving.
The future progressive form of "come" is "will be coming."
The future progressive tense of travel is will be traveling.
The future progressive tense of judge is will be judging.
The future progressive tense of devour is will be devouring.
The future progressive tense of "sing" is "will be singing."
Future perfect.Progressive tenses have verbs with -ing.I am arriving.I will be arriving. - future progressive