My parents ___ the walls all day today. has been painting have been painting has paint Lena ___ geometry since she was 30. has been teaching have been has teaching We ___ in France for 5 years. * has been living have been live have been living The baby ___ for three hours. have been sleeping been sleeping has been sleeping How long ___ to music? For a couple of hours. have you been listening you have been listening has you been listening Liz ___ to ski for a week now. * have been learning has learning has been learning I ___ for this company for 5 years. * has been work have been working has been working The children ___ TV since morning. * has been watching have been watch have been watching How long ___ for us? * has John been waiting have John been waiting John has been waiting

My parents have been painting the walls all day today.
Explanation: "My parents" is a plural noun, so we use "have been" as the auxiliary verb to match the subject. "Painting" is the present participle form of the verb "paint" to show the ongoing action.

Lena has been teaching geometry since she was 30.
Explanation: "Lena" is a singular noun, so we use "has been" as the auxiliary verb to match the subject. "Teaching" is the present participle form of the verb "teach" to show the ongoing action.

We have been living in France for 5 years.
Explanation: "We" is a plural pronoun, so we use "have been" as the auxiliary verb to match the subject. "Living" is the present participle form of the verb "live" to show the ongoing action.

The baby has been sleeping for three hours.
Explanation: "The baby" is a singular noun, so we use "has been" as the auxiliary verb to match the subject. "Sleeping" is the present participle form of the verb "sleep" to show the ongoing action.

How long have you been listening to music? For a couple of hours.
Explanation: "You" is a plural pronoun, so we use "have been" as the auxiliary verb to match the subject. "Listening" is the present participle form of the verb "listen" to show the ongoing action.

Liz has been learning to ski for a week now.
Explanation: "Liz" is a singular noun, so we use "has been" as the auxiliary verb to match the subject. "Learning" is the present participle form of the verb "learn" to show the ongoing action.

I have been working for this company for 5 years.
Explanation: "I" is a singular pronoun, so we use "have been" as the auxiliary verb to match the subject. "Working" is the present participle form of the verb "work" to show the ongoing action.

The children have been watching TV since morning.
Explanation: "The children" is a plural noun, so we use "have been" as the auxiliary verb to match the subject. "Watching" is the present participle form of the verb "watch" to show the ongoing action.

How long has John been waiting for us?
Explanation: "John" is a singular noun, so we use "has been" as the auxiliary verb to match the subject. "Waiting" is the present participle form of the verb "wait" to show the ongoing action.