5.a) david (not to repair) his bicycle every week.b) david (not to repair) his bicycle now.c) david (not to repair) his bicycle last month.d) david (not to repair) his bicycle in a week.​

a) David doesn't repair his bicycle every week.

b) David isn't repairing his bicycle now.

c) David didn't repair his bicycle last month.

d) David will not repair his bicycle in a week.

a doesn't repair

b isn't repairing

c didn't repair

d will repair