Able ꭗ He is perfectly a- to handle the problem. √ He is perfectly capable of handling the problem.
ꭗ I am not a- to decide on who to invite so far. √ I can’t decide on who to invite so far.
ꭗ She felt so sleepy She wasn’t a- stop yawning. √ She felt so sleepy she couldn’t stop yawning.
ꭗ You are not a- drink until you are 21. √ You can’t drink until you are 21.
ꭗ Teamwork will make us a- to finish the job on time.
√ Teamwork will enable us to finish the job on time.