Common mistakes Mistakes are frequently made by using the infinitive without (to) after the following verbs, which do not require it. Can + infinitive without to. Dont say: My mother can to swim very well. Say: My mother can swim very well. Could + infinitive without to. Dont say: I could not to see you yesterday. Say: I could not/couldnt see you yesterday. May + infinitive without to. Dont say: May I to visit you next weekend? Say: May I visit you next weekend? Might + infinitive without to. Dont say: He might to come in the morning. Say: He might come in the morning. Must + infinitive without to. Dont say: I must to see her at her office. Say: I must see her at her office. Let + infinitive without to. Dont say:Toms father would not let him to go out. Say: Toms father would not let him go out. Make (to force) + infinitive without to. Dont say: You cant make Emma to understand. Say: You cant make Emma understand. See + infinitive without to. Dont say: They saw him to leave the house. Say: They saw him leave the house. Watch + infinitive without to. Dont say: I watched the girls to play hockey. Say: I watched the girls play hockey. Hear + infinitive without to. Dont say: We heard him to speak in English. Say: We heard him speak in English. Feel + infinitive without to. Dont say: I could feel her heart to beat. Say: I could feel her heart beat. Or: I could feel her heart beating. Common mistakes 155 views15:52