cannot

The ending glossed cannot takes these forms in the book's examples:

In the examples

I can't come tomorrow. · 15.4 -eme: can't

Ali can't swim. · 15.4 -eme: can't

I can't find my key. · 15.4 -eme: can't

I can't hear you. · 15.4 -eme: can't

I couldn't sleep last night. · 15.4 -eme: can't

I couldn't come yesterday, because I was ill. · 18.1 And, but, because, or

I was ill, so I couldn't come. · 18.1 And, but, because, or

I couldn't come, because I was ill. · 19.7 That, because, when

that we couldn't understand · 21.3 Looking a word up